diff --git a/src/common/settings.h b/src/common/settings.h
index b2b071e7e..1dbdcd8a6 100644
--- a/src/common/settings.h
+++ b/src/common/settings.h
@@ -140,7 +140,7 @@ struct Values {
                                                Category::LibraryApplet};
     Setting<AppletMode> data_erase_applet_mode{linkage, AppletMode::HLE, "data_erase_applet_mode",
                                                Category::LibraryApplet};
-    Setting<AppletMode> error_applet_mode{linkage, AppletMode::HLE, "error_applet_mode",
+    Setting<AppletMode> error_applet_mode{linkage, AppletMode::LLE, "error_applet_mode",
                                           Category::LibraryApplet};
     Setting<AppletMode> net_connect_applet_mode{linkage, AppletMode::HLE, "net_connect_applet_mode",
                                                 Category::LibraryApplet};
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 1c94102a2..c7f4df802 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -1061,9 +1061,12 @@ add_library(core STATIC
     hle/service/spl/spl_module.h
     hle/service/spl/spl_results.h
     hle/service/spl/spl_types.h
+    hle/service/ssl/cert_store.cpp
+    hle/service/ssl/cert_store.h
     hle/service/ssl/ssl.cpp
     hle/service/ssl/ssl.h
     hle/service/ssl/ssl_backend.h
+    hle/service/ssl/ssl_types.h
     hle/service/usb/usb.cpp
     hle/service/usb/usb.h
     hle/service/vi/application_display_service.cpp
diff --git a/src/core/hle/service/acc/acc.cpp b/src/core/hle/service/acc/acc.cpp
index f21553644..fad111d44 100644
--- a/src/core/hle/service/acc/acc.cpp
+++ b/src/core/hle/service/acc/acc.cpp
@@ -25,8 +25,8 @@
 #include "core/hle/service/acc/async_context.h"
 #include "core/hle/service/acc/errors.h"
 #include "core/hle/service/acc/profile_manager.h"
+#include "core/hle/service/cmif_serialization.h"
 #include "core/hle/service/glue/glue_manager.h"
-#include "core/hle/service/ipc_helpers.h"
 #include "core/hle/service/server_manager.h"
 #include "core/loader/loader.h"
 
@@ -74,12 +74,12 @@ static void SanitizeJPEGImageSize(std::vector<u8>& image) {
 
 class IManagerForSystemService final : public ServiceFramework<IManagerForSystemService> {
 public:
-    explicit IManagerForSystemService(Core::System& system_, Common::UUID)
-        : ServiceFramework{system_, "IManagerForSystemService"} {
+    explicit IManagerForSystemService(Core::System& system_, Common::UUID uuid)
+        : ServiceFramework{system_, "IManagerForSystemService"}, account_id{uuid} {
         // clang-format off
         static const FunctionInfo functions[] = {
-            {0, &IManagerForSystemService::CheckAvailability, "CheckAvailability"},
-            {1, nullptr, "GetAccountId"},
+            {0, D<&IManagerForSystemService::CheckAvailability>, "CheckAvailability"},
+            {1, D<&IManagerForSystemService::GetAccountId>, "GetAccountId"},
             {2, nullptr, "EnsureIdTokenCacheAsync"},
             {3, nullptr, "LoadIdTokenCache"},
             {100, nullptr, "SetSystemProgramIdentification"},
@@ -109,11 +109,18 @@ public:
     }
 
 private:
-    void CheckAvailability(HLERequestContext& ctx) {
+    Result CheckAvailability() {
         LOG_WARNING(Service_ACC, "(STUBBED) called");
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(ResultSuccess);
+        R_SUCCEED();
     }
+
+    Result GetAccountId(Out<u64> out_account_id) {
+        LOG_WARNING(Service_ACC, "(STUBBED) called");
+        *out_account_id = account_id.Hash();
+        R_SUCCEED();
+    }
+
+    Common::UUID account_id;
 };
 
 // 3.0.0+
diff --git a/src/core/hle/service/acc/acc_u1.cpp b/src/core/hle/service/acc/acc_u1.cpp
index 92f704c2f..eecc94387 100644
--- a/src/core/hle/service/acc/acc_u1.cpp
+++ b/src/core/hle/service/acc/acc_u1.cpp
@@ -23,7 +23,7 @@ ACC_U1::ACC_U1(std::shared_ptr<Module> module_, std::shared_ptr<ProfileManager>
         {99, nullptr, "DebugActivateOpenContextRetention"},
         {100, nullptr, "GetUserRegistrationNotifier"},
         {101, nullptr, "GetUserStateChangeNotifier"},
-        {102, nullptr, "GetBaasAccountManagerForSystemService"},
+        {102, &ACC_U1::GetBaasAccountManagerForSystemService, "GetBaasAccountManagerForSystemService"},
         {103, nullptr, "GetBaasUserAvailabilityChangeNotifier"},
         {104, nullptr, "GetProfileUpdateNotifier"},
         {105, nullptr, "CheckNetworkServiceAvailabilityAsync"},
diff --git a/src/core/hle/service/am/am_types.h b/src/core/hle/service/am/am_types.h
index 65320c493..eb9ad0ac5 100644
--- a/src/core/hle/service/am/am_types.h
+++ b/src/core/hle/service/am/am_types.h
@@ -48,11 +48,6 @@ enum class SystemButtonType {
     CaptureButtonLongPressing,
 };
 
-enum class SysPlatformRegion : s32 {
-    Global = 1,
-    Terra = 2,
-};
-
 struct AppletProcessLaunchReason {
     u8 flag;
     INSERT_PADDING_BYTES(3);
diff --git a/src/core/hle/service/am/service/common_state_getter.cpp b/src/core/hle/service/am/service/common_state_getter.cpp
index 8ab8e3629..f523bcd9e 100644
--- a/src/core/hle/service/am/service/common_state_getter.cpp
+++ b/src/core/hle/service/am/service/common_state_getter.cpp
@@ -259,9 +259,9 @@ Result ICommonStateGetter::GetAppletLaunchedHistory(
 }
 
 Result ICommonStateGetter::GetSettingsPlatformRegion(
-    Out<SysPlatformRegion> out_settings_platform_region) {
+    Out<Set::PlatformRegion> out_settings_platform_region) {
     LOG_INFO(Service_AM, "called");
-    *out_settings_platform_region = SysPlatformRegion::Global;
+    *out_settings_platform_region = Set::PlatformRegion::Global;
     R_SUCCEED();
 }
 
diff --git a/src/core/hle/service/am/service/common_state_getter.h b/src/core/hle/service/am/service/common_state_getter.h
index 5a8dca3d6..59a46fa94 100644
--- a/src/core/hle/service/am/service/common_state_getter.h
+++ b/src/core/hle/service/am/service/common_state_getter.h
@@ -8,6 +8,7 @@
 #include "core/hle/service/cmif_types.h"
 #include "core/hle/service/pm/pm.h"
 #include "core/hle/service/service.h"
+#include "core/hle/service/set/settings_types.h"
 
 namespace Kernel {
 class KReadableEvent;
@@ -50,7 +51,7 @@ private:
     Result GetOperationModeSystemInfo(Out<u32> out_operation_mode_system_info);
     Result GetAppletLaunchedHistory(Out<s32> out_count,
                                     OutArray<AppletId, BufferAttr_HipcMapAlias> out_applet_ids);
-    Result GetSettingsPlatformRegion(Out<SysPlatformRegion> out_settings_platform_region);
+    Result GetSettingsPlatformRegion(Out<Set::PlatformRegion> out_settings_platform_region);
     Result SetRequestExitToLibraryAppletAtExecuteNextProgramEnabled();
 
     void SetCpuBoostMode(HLERequestContext& ctx);
diff --git a/src/core/hle/service/erpt/erpt.cpp b/src/core/hle/service/erpt/erpt.cpp
index 39ae3a723..6b7eab5ef 100644
--- a/src/core/hle/service/erpt/erpt.cpp
+++ b/src/core/hle/service/erpt/erpt.cpp
@@ -18,7 +18,7 @@ public:
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, C<&ErrorReportContext::SubmitContext>, "SubmitContext"},
-            {1, nullptr, "CreateReportV0"},
+            {1, C<&ErrorReportContext::CreateReportV0>, "CreateReportV0"},
             {2, nullptr, "SetInitialLaunchSettingsCompletionTime"},
             {3, nullptr, "ClearInitialLaunchSettingsCompletionTime"},
             {4, nullptr, "UpdatePowerOnTime"},
@@ -28,7 +28,8 @@ public:
             {8, nullptr, "ClearApplicationLaunchTime"},
             {9, nullptr, "SubmitAttachment"},
             {10, nullptr, "CreateReportWithAttachments"},
-            {11, nullptr, "CreateReport"},
+            {11, C<&ErrorReportContext::CreateReportV1>, "CreateReportV1"},
+            {12, C<&ErrorReportContext::CreateReport>, "CreateReport"},
             {20, nullptr, "RegisterRunningApplet"},
             {21, nullptr, "UnregisterRunningApplet"},
             {22, nullptr, "UpdateAppletSuspendedDuration"},
@@ -40,10 +41,37 @@ public:
     }
 
 private:
-    Result SubmitContext(InBuffer<BufferAttr_HipcMapAlias> buffer_a,
-                         InBuffer<BufferAttr_HipcMapAlias> buffer_b) {
-        LOG_WARNING(Service_SET, "(STUBBED) called, buffer_a_size={}, buffer_b_size={}",
-                    buffer_a.size(), buffer_b.size());
+    Result SubmitContext(InBuffer<BufferAttr_HipcMapAlias> context_entry,
+                         InBuffer<BufferAttr_HipcMapAlias> field_list) {
+        LOG_WARNING(Service_SET, "(STUBBED) called, context_entry_size={}, field_list_size={}",
+                    context_entry.size(), field_list.size());
+        R_SUCCEED();
+    }
+
+    Result CreateReportV0(u32 report_type, InBuffer<BufferAttr_HipcMapAlias> context_entry,
+                          InBuffer<BufferAttr_HipcMapAlias> report_list,
+                          InBuffer<BufferAttr_HipcMapAlias> report_meta_data) {
+        LOG_WARNING(Service_SET, "(STUBBED) called, report_type={:#x}", report_type);
+        R_SUCCEED();
+    }
+
+    Result CreateReportV1(u32 report_type, u32 unknown,
+                          InBuffer<BufferAttr_HipcMapAlias> context_entry,
+                          InBuffer<BufferAttr_HipcMapAlias> report_list,
+                          InBuffer<BufferAttr_HipcMapAlias> report_meta_data) {
+        LOG_WARNING(Service_SET, "(STUBBED) called, report_type={:#x}, unknown={:#x}", report_type,
+                    unknown);
+        R_SUCCEED();
+    }
+
+    Result CreateReport(u32 report_type, u32 unknown, u32 create_report_option_flag,
+                        InBuffer<BufferAttr_HipcMapAlias> context_entry,
+                        InBuffer<BufferAttr_HipcMapAlias> report_list,
+                        InBuffer<BufferAttr_HipcMapAlias> report_meta_data) {
+        LOG_WARNING(
+            Service_SET,
+            "(STUBBED) called, report_type={:#x}, unknown={:#x}, create_report_option_flag={:#x}",
+            report_type, unknown, create_report_option_flag);
         R_SUCCEED();
     }
 };
diff --git a/src/core/hle/service/filesystem/fsp/fsp_srv.cpp b/src/core/hle/service/filesystem/fsp/fsp_srv.cpp
index 223284255..60290f1a6 100644
--- a/src/core/hle/service/filesystem/fsp/fsp_srv.cpp
+++ b/src/core/hle/service/filesystem/fsp/fsp_srv.cpp
@@ -71,7 +71,7 @@ FSP_SRV::FSP_SRV(Core::System& system_)
         {28, nullptr, "DeleteSaveDataFileSystemBySaveDataAttribute"},
         {30, nullptr, "OpenGameCardStorage"},
         {31, nullptr, "OpenGameCardFileSystem"},
-        {32, nullptr, "ExtendSaveDataFileSystem"},
+        {32, D<&FSP_SRV::ExtendSaveDataFileSystem>, "ExtendSaveDataFileSystem"},
         {33, nullptr, "DeleteCacheStorage"},
         {34, D<&FSP_SRV::GetCacheStorageSize>, "GetCacheStorageSize"},
         {35, nullptr, "CreateSaveDataFileSystemByHashSalt"},
@@ -79,9 +79,9 @@ FSP_SRV::FSP_SRV(Core::System& system_)
         {51, D<&FSP_SRV::OpenSaveDataFileSystem>, "OpenSaveDataFileSystem"},
         {52, D<&FSP_SRV::OpenSaveDataFileSystemBySystemSaveDataId>, "OpenSaveDataFileSystemBySystemSaveDataId"},
         {53, D<&FSP_SRV::OpenReadOnlySaveDataFileSystem>, "OpenReadOnlySaveDataFileSystem"},
-        {57, nullptr, "ReadSaveDataFileSystemExtraDataBySaveDataSpaceId"},
-        {58, nullptr, "ReadSaveDataFileSystemExtraData"},
-        {59, nullptr, "WriteSaveDataFileSystemExtraData"},
+        {57, D<&FSP_SRV::ReadSaveDataFileSystemExtraDataBySaveDataSpaceId>, "ReadSaveDataFileSystemExtraDataBySaveDataSpaceId"},
+        {58, D<&FSP_SRV::ReadSaveDataFileSystemExtraData>, "ReadSaveDataFileSystemExtraData"},
+        {59, D<&FSP_SRV::WriteSaveDataFileSystemExtraData>, "WriteSaveDataFileSystemExtraData"},
         {60, nullptr, "OpenSaveDataInfoReader"},
         {61, D<&FSP_SRV::OpenSaveDataInfoReaderBySaveDataSpaceId>, "OpenSaveDataInfoReaderBySaveDataSpaceId"},
         {62, D<&FSP_SRV::OpenSaveDataInfoReaderOnlyCacheStorage>, "OpenSaveDataInfoReaderOnlyCacheStorage"},
@@ -90,8 +90,8 @@ FSP_SRV::FSP_SRV(Core::System& system_)
         {66, nullptr, "WriteSaveDataFileSystemExtraData2"},
         {67, D<&FSP_SRV::FindSaveDataWithFilter>, "FindSaveDataWithFilter"},
         {68, nullptr, "OpenSaveDataInfoReaderBySaveDataFilter"},
-        {69, nullptr, "ReadSaveDataFileSystemExtraDataBySaveDataAttribute"},
-        {70, D<&FSP_SRV::WriteSaveDataFileSystemExtraDataBySaveDataAttribute>, "WriteSaveDataFileSystemExtraDataBySaveDataAttribute"},
+        {69, D<&FSP_SRV::ReadSaveDataFileSystemExtraDataBySaveDataAttribute>, "ReadSaveDataFileSystemExtraDataBySaveDataAttribute"},
+        {70, D<&FSP_SRV::WriteSaveDataFileSystemExtraDataWithMaskBySaveDataAttribute>, "WriteSaveDataFileSystemExtraDataWithMaskBySaveDataAttribute"},
         {71, D<&FSP_SRV::ReadSaveDataFileSystemExtraDataWithMaskBySaveDataAttribute>, "ReadSaveDataFileSystemExtraDataWithMaskBySaveDataAttribute"},
         {80, nullptr, "OpenSaveDataMetaFile"},
         {81, nullptr, "OpenSaveDataTransferManager"},
@@ -317,9 +317,23 @@ Result FSP_SRV::FindSaveDataWithFilter(Out<s64> out_count,
     R_THROW(FileSys::ResultTargetNotFound);
 }
 
-Result FSP_SRV::WriteSaveDataFileSystemExtraDataBySaveDataAttribute() {
-    LOG_WARNING(Service_FS, "(STUBBED) called.");
+Result FSP_SRV::WriteSaveDataFileSystemExtraData(InBuffer<BufferAttr_HipcMapAlias> buffer,
+                                                 FileSys::SaveDataSpaceId space_id,
+                                                 u64 save_data_id) {
+    LOG_WARNING(Service_FS, "(STUBBED) called, space_id={}, save_data_id={:016X}", space_id,
+                save_data_id);
+    R_SUCCEED();
+}
 
+Result FSP_SRV::WriteSaveDataFileSystemExtraDataWithMaskBySaveDataAttribute(
+    InBuffer<BufferAttr_HipcMapAlias> buffer, InBuffer<BufferAttr_HipcMapAlias> mask_buffer,
+    FileSys::SaveDataSpaceId space_id, FileSys::SaveDataAttribute attribute) {
+    LOG_WARNING(Service_FS,
+                "(STUBBED) called, space_id={}, attribute.program_id={:016X}\n"
+                "attribute.user_id={:016X}{:016X}, attribute.save_id={:016X}\n"
+                "attribute.type={}, attribute.rank={}, attribute.index={}",
+                space_id, attribute.program_id, attribute.user_id[1], attribute.user_id[0],
+                attribute.system_save_data_id, attribute.type, attribute.rank, attribute.index);
     R_SUCCEED();
 }
 
@@ -341,6 +355,38 @@ Result FSP_SRV::ReadSaveDataFileSystemExtraDataWithMaskBySaveDataAttribute(
     R_SUCCEED();
 }
 
+Result FSP_SRV::ReadSaveDataFileSystemExtraData(OutBuffer<BufferAttr_HipcMapAlias> out_buffer,
+                                                u64 save_data_id) {
+    // Stub, backend needs an impl to read/write the SaveDataExtraData
+    LOG_WARNING(Service_FS, "(STUBBED) called, save_data_id={:016X}", save_data_id);
+    std::memset(out_buffer.data(), 0, out_buffer.size());
+    R_SUCCEED();
+}
+
+Result FSP_SRV::ReadSaveDataFileSystemExtraDataBySaveDataAttribute(
+    OutBuffer<BufferAttr_HipcMapAlias> out_buffer, FileSys::SaveDataSpaceId space_id,
+    FileSys::SaveDataAttribute attribute) {
+    // Stub, backend needs an impl to read/write the SaveDataExtraData
+    LOG_WARNING(Service_FS,
+                "(STUBBED) called, space_id={}, attribute.program_id={:016X}\n"
+                "attribute.user_id={:016X}{:016X}, attribute.save_id={:016X}\n"
+                "attribute.type={}, attribute.rank={}, attribute.index={}",
+                space_id, attribute.program_id, attribute.user_id[1], attribute.user_id[0],
+                attribute.system_save_data_id, attribute.type, attribute.rank, attribute.index);
+    std::memset(out_buffer.data(), 0, out_buffer.size());
+    R_SUCCEED();
+}
+
+Result FSP_SRV::ReadSaveDataFileSystemExtraDataBySaveDataSpaceId(
+    OutBuffer<BufferAttr_HipcMapAlias> out_buffer, FileSys::SaveDataSpaceId space_id,
+    u64 save_data_id) {
+    // Stub, backend needs an impl to read/write the SaveDataExtraData
+    LOG_WARNING(Service_FS, "(STUBBED) called, space_id={}, save_data_id={:016X}", space_id,
+                save_data_id);
+    std::memset(out_buffer.data(), 0, out_buffer.size());
+    R_SUCCEED();
+}
+
 Result FSP_SRV::OpenSaveDataTransferProhibiter(
     OutInterface<ISaveDataTransferProhibiter> out_prohibiter, u64 id) {
     LOG_WARNING(Service_FS, "(STUBBED) called, id={:016X}", id);
@@ -476,6 +522,16 @@ Result FSP_SRV::FlushAccessLogOnSdCard() {
     R_SUCCEED();
 }
 
+Result FSP_SRV::ExtendSaveDataFileSystem(FileSys::SaveDataSpaceId space_id, u64 save_data_id,
+                                         s64 available_size, s64 journal_size) {
+    // We don't have an index of save data ids, so we can't implement this.
+    LOG_WARNING(Service_FS,
+                "(STUBBED) called, space_id={}, save_data_id={:016X}, available_size={:#x}, "
+                "journal_size={:#x}",
+                space_id, save_data_id, available_size, journal_size);
+    R_SUCCEED();
+}
+
 Result FSP_SRV::GetCacheStorageSize(s32 index, Out<s64> out_data_size, Out<s64> out_journal_size) {
     LOG_WARNING(Service_FS, "(STUBBED) called with index={}", index);
 
diff --git a/src/core/hle/service/filesystem/fsp/fsp_srv.h b/src/core/hle/service/filesystem/fsp/fsp_srv.h
index 83d9cb51c..b565cace0 100644
--- a/src/core/hle/service/filesystem/fsp/fsp_srv.h
+++ b/src/core/hle/service/filesystem/fsp/fsp_srv.h
@@ -70,7 +70,19 @@ private:
     Result FindSaveDataWithFilter(Out<s64> out_count, OutBuffer<BufferAttr_HipcMapAlias> out_buffer,
                                   FileSys::SaveDataSpaceId space_id,
                                   FileSys::SaveDataFilter filter);
-    Result WriteSaveDataFileSystemExtraDataBySaveDataAttribute();
+    Result WriteSaveDataFileSystemExtraData(InBuffer<BufferAttr_HipcMapAlias> buffer,
+                                            FileSys::SaveDataSpaceId space_id, u64 save_data_id);
+    Result WriteSaveDataFileSystemExtraDataWithMaskBySaveDataAttribute(
+        InBuffer<BufferAttr_HipcMapAlias> buffer, InBuffer<BufferAttr_HipcMapAlias> mask_buffer,
+        FileSys::SaveDataSpaceId space_id, FileSys::SaveDataAttribute attribute);
+    Result ReadSaveDataFileSystemExtraData(OutBuffer<BufferAttr_HipcMapAlias> out_buffer,
+                                           u64 save_data_id);
+    Result ReadSaveDataFileSystemExtraDataBySaveDataAttribute(
+        OutBuffer<BufferAttr_HipcMapAlias> out_buffer, FileSys::SaveDataSpaceId space_id,
+        FileSys::SaveDataAttribute attribute);
+    Result ReadSaveDataFileSystemExtraDataBySaveDataSpaceId(
+        OutBuffer<BufferAttr_HipcMapAlias> out_buffer, FileSys::SaveDataSpaceId space_id,
+        u64 save_data_id);
     Result ReadSaveDataFileSystemExtraDataWithMaskBySaveDataAttribute(
         FileSys::SaveDataSpaceId space_id, FileSys::SaveDataAttribute attribute,
         InBuffer<BufferAttr_HipcMapAlias> mask_buffer,
@@ -91,6 +103,8 @@ private:
     Result GetProgramIndexForAccessLog(Out<AccessLogVersion> out_access_log_version,
                                        Out<u32> out_access_log_program_index);
     Result OpenMultiCommitManager(OutInterface<IMultiCommitManager> out_interface);
+    Result ExtendSaveDataFileSystem(FileSys::SaveDataSpaceId space_id, u64 save_data_id,
+                                    s64 available_size, s64 journal_size);
     Result GetCacheStorageSize(s32 index, Out<s64> out_data_size, Out<s64> out_journal_size);
 
     FileSystemController& fsc;
diff --git a/src/core/hle/service/ldn/monitor_service.cpp b/src/core/hle/service/ldn/monitor_service.cpp
index 3471f69da..ea6ac4d5d 100644
--- a/src/core/hle/service/ldn/monitor_service.cpp
+++ b/src/core/hle/service/ldn/monitor_service.cpp
@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 #include "core/hle/service/cmif_serialization.h"
+#include "core/hle/service/ldn/ldn_results.h"
 #include "core/hle/service/ldn/monitor_service.h"
 
 namespace Service::LDN {
@@ -17,7 +18,7 @@ IMonitorService::IMonitorService(Core::System& system_)
         {4, nullptr, "GetSecurityParameterForMonitor"},
         {5, nullptr, "GetNetworkConfigForMonitor"},
         {100, C<&IMonitorService::InitializeMonitor>, "InitializeMonitor"},
-        {101, nullptr, "FinalizeMonitor"},
+        {101, C<&IMonitorService::FinalizeMonitor>, "FinalizeMonitor"},
     };
     // clang-format on
 
@@ -27,16 +28,18 @@ IMonitorService::IMonitorService(Core::System& system_)
 IMonitorService::~IMonitorService() = default;
 
 Result IMonitorService::GetStateForMonitor(Out<State> out_state) {
-    LOG_INFO(Service_LDN, "called");
-
-    *out_state = state;
+    LOG_WARNING(Service_LDN, "(STUBBED) called");
+    *out_state = State::None;
     R_SUCCEED();
 }
 
 Result IMonitorService::InitializeMonitor() {
     LOG_INFO(Service_LDN, "called");
+    R_SUCCEED();
+}
 
-    state = State::Initialized;
+Result IMonitorService::FinalizeMonitor() {
+    LOG_INFO(Service_LDN, "called");
     R_SUCCEED();
 }
 
diff --git a/src/core/hle/service/ldn/monitor_service.h b/src/core/hle/service/ldn/monitor_service.h
index 61aacef30..e663145b4 100644
--- a/src/core/hle/service/ldn/monitor_service.h
+++ b/src/core/hle/service/ldn/monitor_service.h
@@ -21,6 +21,7 @@ public:
 private:
     Result GetStateForMonitor(Out<State> out_state);
     Result InitializeMonitor();
+    Result FinalizeMonitor();
 
     State state{State::None};
 };
diff --git a/src/core/hle/service/set/settings_types.h b/src/core/hle/service/set/settings_types.h
index 4fd34f46b..92c2948b0 100644
--- a/src/core/hle/service/set/settings_types.h
+++ b/src/core/hle/service/set/settings_types.h
@@ -243,6 +243,11 @@ enum class TvResolution : u32 {
     Resolution480p,
 };
 
+enum class PlatformRegion : s32 {
+    Global = 1,
+    Terra = 2,
+};
+
 constexpr std::array<LanguageCode, 18> available_language_codes = {{
     LanguageCode::JA,
     LanguageCode::EN_US,
diff --git a/src/core/hle/service/set/system_settings_server.cpp b/src/core/hle/service/set/system_settings_server.cpp
index 900d5408f..0dc8db821 100644
--- a/src/core/hle/service/set/system_settings_server.cpp
+++ b/src/core/hle/service/set/system_settings_server.cpp
@@ -272,8 +272,8 @@ ISystemSettingsServer::ISystemSettingsServer(Core::System& system_)
         {180, nullptr, "SetZoomFlag"},
         {181, nullptr, "GetT"},
         {182, nullptr, "SetT"},
-        {183, nullptr, "GetPlatformRegion"},
-        {184, nullptr, "SetPlatformRegion"},
+        {183, C<&ISystemSettingsServer::GetPlatformRegion>, "GetPlatformRegion"},
+        {184, C<&ISystemSettingsServer::SetPlatformRegion>, "SetPlatformRegion"},
         {185, C<&ISystemSettingsServer::GetHomeMenuSchemeModel>, "GetHomeMenuSchemeModel"},
         {186, nullptr, "GetMemoryUsageRateFlag"},
         {187, C<&ISystemSettingsServer::GetTouchScreenMode>, "GetTouchScreenMode"},
@@ -1250,6 +1250,18 @@ Result ISystemSettingsServer::GetHomeMenuScheme(Out<HomeMenuScheme> out_home_men
     R_SUCCEED();
 }
 
+Result ISystemSettingsServer::GetPlatformRegion(Out<PlatformRegion> out_platform_region) {
+    LOG_WARNING(Service_SET, "(STUBBED) called");
+
+    *out_platform_region = PlatformRegion::Global;
+    R_SUCCEED();
+}
+
+Result ISystemSettingsServer::SetPlatformRegion(PlatformRegion platform_region) {
+    LOG_WARNING(Service_SET, "(STUBBED) called");
+    R_SUCCEED();
+}
+
 Result ISystemSettingsServer::GetHomeMenuSchemeModel(Out<u32> out_home_menu_scheme_model) {
     LOG_WARNING(Service_SET, "(STUBBED) called");
 
diff --git a/src/core/hle/service/set/system_settings_server.h b/src/core/hle/service/set/system_settings_server.h
index 9a1154ad6..993e5de7d 100644
--- a/src/core/hle/service/set/system_settings_server.h
+++ b/src/core/hle/service/set/system_settings_server.h
@@ -149,6 +149,8 @@ public:
     Result GetHomeMenuScheme(Out<HomeMenuScheme> out_home_menu_scheme);
     Result GetHomeMenuSchemeModel(Out<u32> out_home_menu_scheme_model);
     Result GetTouchScreenMode(Out<TouchScreenMode> out_touch_screen_mode);
+    Result GetPlatformRegion(Out<PlatformRegion> out_platform_region);
+    Result SetPlatformRegion(PlatformRegion platform_region);
     Result SetTouchScreenMode(TouchScreenMode touch_screen_mode);
     Result GetFieldTestingFlag(Out<bool> out_field_testing_flag);
     Result GetPanelCrcMode(Out<s32> out_panel_crc_mode);
diff --git a/src/core/hle/service/ssl/cert_store.cpp b/src/core/hle/service/ssl/cert_store.cpp
new file mode 100644
index 000000000..b321e5d32
--- /dev/null
+++ b/src/core/hle/service/ssl/cert_store.cpp
@@ -0,0 +1,156 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/alignment.h"
+#include "core/core.h"
+#include "core/file_sys/content_archive.h"
+#include "core/file_sys/nca_metadata.h"
+#include "core/file_sys/registered_cache.h"
+#include "core/file_sys/romfs.h"
+#include "core/hle/service/filesystem/filesystem.h"
+#include "core/hle/service/ssl/cert_store.h"
+
+namespace Service::SSL {
+
+// https://switchbrew.org/wiki/SSL_services#CertStore
+
+CertStore::CertStore(Core::System& system) {
+    constexpr u64 CertStoreDataId = 0x0100000000000800ULL;
+
+    auto& fsc = system.GetFileSystemController();
+
+    // Attempt to load certificate data from storage
+    const auto nca =
+        fsc.GetSystemNANDContents()->GetEntry(CertStoreDataId, FileSys::ContentRecordType::Data);
+    if (!nca) {
+        return;
+    }
+    const auto romfs = nca->GetRomFS();
+    if (!romfs) {
+        return;
+    }
+    const auto extracted = FileSys::ExtractRomFS(romfs);
+    if (!extracted) {
+        LOG_ERROR(Service_SSL, "CertStore could not be extracted, corrupt RomFS?");
+        return;
+    }
+    const auto cert_store_file = extracted->GetFile("ssl_TrustedCerts.bdf");
+    if (!cert_store_file) {
+        LOG_ERROR(Service_SSL, "Failed to find trusted certificates in CertStore");
+        return;
+    }
+
+    // Read and verify the header.
+    CertStoreHeader header;
+    cert_store_file->ReadObject(std::addressof(header));
+
+    if (header.magic != Common::MakeMagic('s', 's', 'l', 'T')) {
+        LOG_ERROR(Service_SSL, "Invalid certificate store magic");
+        return;
+    }
+
+    // Ensure the file can contains the number of entries it says it does.
+    const u64 expected_size = sizeof(header) + sizeof(CertStoreEntry) * header.num_entries;
+    const u64 actual_size = cert_store_file->GetSize();
+    if (actual_size < expected_size) {
+        LOG_ERROR(Service_SSL, "Size mismatch, expected at least {} bytes, got {}", expected_size,
+                  actual_size);
+        return;
+    }
+
+    // Read entries.
+    std::vector<CertStoreEntry> entries(header.num_entries);
+    cert_store_file->ReadArray(entries.data(), header.num_entries, sizeof(header));
+
+    // Insert into memory store.
+    for (const auto& entry : entries) {
+        m_certs.emplace(entry.certificate_id,
+                        Certificate{
+                            .status = entry.certificate_status,
+                            .der_data = cert_store_file->ReadBytes(
+                                entry.der_size, entry.der_offset + sizeof(header)),
+                        });
+    }
+}
+
+CertStore::~CertStore() = default;
+
+template <typename F>
+void CertStore::ForEachCertificate(std::span<const CaCertificateId> certificate_ids, F&& f) {
+    if (certificate_ids.size() == 1 && certificate_ids.front() == CaCertificateId::All) {
+        for (const auto& entry : m_certs) {
+            f(entry);
+        }
+    } else {
+        for (const auto certificate_id : certificate_ids) {
+            const auto entry = m_certs.find(certificate_id);
+            if (entry == m_certs.end()) {
+                continue;
+            }
+            f(*entry);
+        }
+    }
+}
+
+Result CertStore::GetCertificates(u32* out_num_entries, std::span<u8> out_data,
+                                  std::span<const CaCertificateId> certificate_ids) {
+    // Ensure the buffer is large enough to hold the output.
+    u32 required_size;
+    R_TRY(this->GetCertificateBufSize(std::addressof(required_size), out_num_entries,
+                                      certificate_ids));
+    R_UNLESS(out_data.size_bytes() >= required_size, ResultUnknown);
+
+    // Make parallel arrays.
+    std::vector<BuiltInCertificateInfo> cert_infos;
+    std::vector<u8> der_datas;
+
+    const u32 der_data_offset = (*out_num_entries + 1) * sizeof(BuiltInCertificateInfo);
+    u32 cur_der_offset = der_data_offset;
+
+    // Fill output.
+    this->ForEachCertificate(certificate_ids, [&](auto& entry) {
+        const auto& [status, cur_der_data] = entry.second;
+        BuiltInCertificateInfo cert_info{
+            .cert_id = entry.first,
+            .status = status,
+            .der_size = cur_der_data.size(),
+            .der_offset = cur_der_offset,
+        };
+
+        cert_infos.push_back(cert_info);
+        der_datas.insert(der_datas.end(), cur_der_data.begin(), cur_der_data.end());
+        cur_der_offset += static_cast<u32>(cur_der_data.size());
+    });
+
+    // Append terminator entry.
+    cert_infos.push_back(BuiltInCertificateInfo{
+        .cert_id = CaCertificateId::All,
+        .status = TrustedCertStatus::Invalid,
+        .der_size = 0,
+        .der_offset = 0,
+    });
+
+    // Write to output span.
+    std::memcpy(out_data.data(), cert_infos.data(),
+                cert_infos.size() * sizeof(BuiltInCertificateInfo));
+    std::memcpy(out_data.data() + der_data_offset, der_datas.data(), der_datas.size());
+
+    R_SUCCEED();
+}
+
+Result CertStore::GetCertificateBufSize(u32* out_size, u32* out_num_entries,
+                                        std::span<const CaCertificateId> certificate_ids) {
+    // Output size is at least the size of the terminator entry.
+    *out_size = sizeof(BuiltInCertificateInfo);
+    *out_num_entries = 0;
+
+    this->ForEachCertificate(certificate_ids, [&](auto& entry) {
+        *out_size += sizeof(BuiltInCertificateInfo);
+        *out_size += Common::AlignUp(static_cast<u32>(entry.second.der_data.size()), 4);
+        (*out_num_entries)++;
+    });
+
+    R_SUCCEED();
+}
+
+} // namespace Service::SSL
diff --git a/src/core/hle/service/ssl/cert_store.h b/src/core/hle/service/ssl/cert_store.h
new file mode 100644
index 000000000..613d7b02a
--- /dev/null
+++ b/src/core/hle/service/ssl/cert_store.h
@@ -0,0 +1,42 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <map>
+#include <span>
+#include <vector>
+
+#include "core/hle/result.h"
+#include "core/hle/service/ssl/ssl_types.h"
+
+namespace Core {
+class System;
+}
+
+namespace Service::SSL {
+
+class CertStore {
+public:
+    explicit CertStore(Core::System& system);
+    ~CertStore();
+
+    Result GetCertificates(u32* out_num_entries, std::span<u8> out_data,
+                           std::span<const CaCertificateId> certificate_ids);
+    Result GetCertificateBufSize(u32* out_size, u32* out_num_entries,
+                                 std::span<const CaCertificateId> certificate_ids);
+
+private:
+    template <typename F>
+    void ForEachCertificate(std::span<const CaCertificateId> certs, F&& f);
+
+private:
+    struct Certificate {
+        TrustedCertStatus status;
+        std::vector<u8> der_data;
+    };
+
+    std::map<CaCertificateId, Certificate> m_certs;
+};
+
+} // namespace Service::SSL
diff --git a/src/core/hle/service/ssl/ssl.cpp b/src/core/hle/service/ssl/ssl.cpp
index 0fbb43057..008ee4492 100644
--- a/src/core/hle/service/ssl/ssl.cpp
+++ b/src/core/hle/service/ssl/ssl.cpp
@@ -5,11 +5,13 @@
 
 #include "core/core.h"
 #include "core/hle/result.h"
+#include "core/hle/service/cmif_serialization.h"
 #include "core/hle/service/ipc_helpers.h"
 #include "core/hle/service/server_manager.h"
 #include "core/hle/service/service.h"
 #include "core/hle/service/sm/sm.h"
 #include "core/hle/service/sockets/bsd.h"
+#include "core/hle/service/ssl/cert_store.h"
 #include "core/hle/service/ssl/ssl.h"
 #include "core/hle/service/ssl/ssl_backend.h"
 #include "core/internal_network/network.h"
@@ -492,13 +494,14 @@ private:
 
 class ISslService final : public ServiceFramework<ISslService> {
 public:
-    explicit ISslService(Core::System& system_) : ServiceFramework{system_, "ssl"} {
+    explicit ISslService(Core::System& system_)
+        : ServiceFramework{system_, "ssl"}, cert_store{system} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, &ISslService::CreateContext, "CreateContext"},
             {1, nullptr, "GetContextCount"},
-            {2, nullptr, "GetCertificates"},
-            {3, nullptr, "GetCertificateBufSize"},
+            {2, D<&ISslService::GetCertificates>, "GetCertificates"},
+            {3, D<&ISslService::GetCertificateBufSize>, "GetCertificateBufSize"},
             {4, nullptr, "DebugIoctl"},
             {5, &ISslService::SetInterfaceVersion, "SetInterfaceVersion"},
             {6, nullptr, "FlushSessionCache"},
@@ -540,6 +543,22 @@ private:
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(ResultSuccess);
     }
+
+    Result GetCertificateBufSize(
+        Out<u32> out_size, InArray<CaCertificateId, BufferAttr_HipcMapAlias> certificate_ids) {
+        LOG_INFO(Service_SSL, "called");
+        u32 num_entries;
+        R_RETURN(cert_store.GetCertificateBufSize(out_size, &num_entries, certificate_ids));
+    }
+
+    Result GetCertificates(Out<u32> out_num_entries, OutBuffer<BufferAttr_HipcMapAlias> out_buffer,
+                           InArray<CaCertificateId, BufferAttr_HipcMapAlias> certificate_ids) {
+        LOG_INFO(Service_SSL, "called");
+        R_RETURN(cert_store.GetCertificates(out_num_entries, out_buffer, certificate_ids));
+    }
+
+private:
+    CertStore cert_store;
 };
 
 void LoopProcess(Core::System& system) {
diff --git a/src/core/hle/service/ssl/ssl_types.h b/src/core/hle/service/ssl/ssl_types.h
new file mode 100644
index 000000000..dbc3dbf64
--- /dev/null
+++ b/src/core/hle/service/ssl/ssl_types.h
@@ -0,0 +1,107 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "common/common_types.h"
+
+namespace Service::SSL {
+
+enum class CaCertificateId : s32 {
+    All = -1,
+    NintendoCAG3 = 1,
+    NintendoClass2CAG3 = 2,
+    NintendoRootCAG4 = 3,
+    AmazonRootCA1 = 1000,
+    StarfieldServicesRootCertificateAuthorityG2 = 1001,
+    AddTrustExternalCARoot = 1002,
+    COMODOCertificationAuthority = 1003,
+    UTNDATACorpSGC = 1004,
+    UTNUSERFirstHardware = 1005,
+    BaltimoreCyberTrustRoot = 1006,
+    CybertrustGlobalRoot = 1007,
+    VerizonGlobalRootCA = 1008,
+    DigiCertAssuredIDRootCA = 1009,
+    DigiCertAssuredIDRootG2 = 1010,
+    DigiCertGlobalRootCA = 1011,
+    DigiCertGlobalRootG2 = 1012,
+    DigiCertHighAssuranceEVRootCA = 1013,
+    EntrustnetCertificationAuthority2048 = 1014,
+    EntrustRootCertificationAuthority = 1015,
+    EntrustRootCertificationAuthorityG2 = 1016,
+    GeoTrustGlobalCA2 = 1017,
+    GeoTrustGlobalCA = 1018,
+    GeoTrustPrimaryCertificationAuthorityG3 = 1019,
+    GeoTrustPrimaryCertificationAuthority = 1020,
+    GlobalSignRootCA = 1021,
+    GlobalSignRootCAR2 = 1022,
+    GlobalSignRootCAR3 = 1023,
+    GoDaddyClass2CertificationAuthority = 1024,
+    GoDaddyRootCertificateAuthorityG2 = 1025,
+    StarfieldClass2CertificationAuthority = 1026,
+    StarfieldRootCertificateAuthorityG2 = 1027,
+    thawtePrimaryRootCAG3 = 1028,
+    thawtePrimaryRootCA = 1029,
+    VeriSignClass3PublicPrimaryCertificationAuthorityG3 = 1030,
+    VeriSignClass3PublicPrimaryCertificationAuthorityG5 = 1031,
+    VeriSignUniversalRootCertificationAuthority = 1032,
+    DSTRootCAX3 = 1033,
+    USERTrustRsaCertificationAuthority = 1034,
+    ISRGRootX10 = 1035,
+    USERTrustEccCertificationAuthority = 1036,
+    COMODORsaCertificationAuthority = 1037,
+    COMODOEccCertificationAuthority = 1038,
+    AmazonRootCA2 = 1039,
+    AmazonRootCA3 = 1040,
+    AmazonRootCA4 = 1041,
+    DigiCertAssuredIDRootG3 = 1042,
+    DigiCertGlobalRootG3 = 1043,
+    DigiCertTrustedRootG4 = 1044,
+    EntrustRootCertificationAuthorityEC1 = 1045,
+    EntrustRootCertificationAuthorityG4 = 1046,
+    GlobalSignECCRootCAR4 = 1047,
+    GlobalSignECCRootCAR5 = 1048,
+    GlobalSignECCRootCAR6 = 1049,
+    GTSRootR1 = 1050,
+    GTSRootR2 = 1051,
+    GTSRootR3 = 1052,
+    GTSRootR4 = 1053,
+    SecurityCommunicationRootCA = 1054,
+    GlobalSignRootE4 = 1055,
+    GlobalSignRootR4 = 1056,
+    TTeleSecGlobalRootClass2 = 1057,
+    DigiCertTLSECCP384RootG5 = 1058,
+    DigiCertTLSRSA4096RootG5 = 1059,
+};
+
+enum class TrustedCertStatus : s32 {
+    Invalid = -1,
+    Removed = 0,
+    EnabledTrusted = 1,
+    EnabledNotTrusted = 2,
+    Revoked = 3,
+};
+
+struct BuiltInCertificateInfo {
+    CaCertificateId cert_id;
+    TrustedCertStatus status;
+    u64 der_size;
+    u64 der_offset;
+};
+static_assert(sizeof(BuiltInCertificateInfo) == 0x18, "BuiltInCertificateInfo has incorrect size.");
+
+struct CertStoreHeader {
+    u32 magic;
+    u32 num_entries;
+};
+static_assert(sizeof(CertStoreHeader) == 0x8, "CertStoreHeader has incorrect size.");
+
+struct CertStoreEntry {
+    CaCertificateId certificate_id;
+    TrustedCertStatus certificate_status;
+    u32 der_size;
+    u32 der_offset;
+};
+static_assert(sizeof(CertStoreEntry) == 0x10, "CertStoreEntry has incorrect size.");
+
+} // namespace Service::SSL
diff --git a/src/yuzu/configuration/configure_applets.cpp b/src/yuzu/configuration/configure_applets.cpp
index 513ecb548..139bfa9da 100644
--- a/src/yuzu/configuration/configure_applets.cpp
+++ b/src/yuzu/configuration/configure_applets.cpp
@@ -59,9 +59,7 @@ void ConfigureApplets::Setup(const ConfigurationShared::Builder& builder) {
 
         // Untested applets
         if (setting->Id() == Settings::values.data_erase_applet_mode.Id() ||
-            setting->Id() == Settings::values.error_applet_mode.Id() ||
             setting->Id() == Settings::values.net_connect_applet_mode.Id() ||
-            setting->Id() == Settings::values.web_applet_mode.Id() ||
             setting->Id() == Settings::values.shop_applet_mode.Id() ||
             setting->Id() == Settings::values.login_share_applet_mode.Id() ||
             setting->Id() == Settings::values.wifi_web_auth_applet_mode.Id() ||