Settings services

set

This is "nn::settings::ISettingsServer".

Cmd	Name	Notes
0	GetLanguageCode	No input, returns an output #LanguageCode. This is the current system language.
1	GetAvailableLanguageCodes	Takes a type-0xA buffer containing the #LanguageCode output array, returns an output s32.
2	[4.0.0+] MakeLanguageCode	Takes an input #Language, returns an output #LanguageCode.
3	GetAvailableLanguageCodeCount	No input, returns an output s32.
4	GetRegionCode	No input, returns a #RegionCode.
5	[4.0.0+] GetAvailableLanguageCodes2	Takes a type-0x6 buffer containing the #LanguageCode output array, returns an output s32.
6	[4.0.0+] GetAvailableLanguageCodeCount2	No input, returns an output s32.
7	[4.0.0+] #GetKeyCodeMap
8	[5.0.0+] GetQuestFlag	Identical to "set:sys" GetQuestFlag.
9	[6.0.0+] GetKeyCodeMap2
10	[9.0.0+] #GetFirmwareVersionForDebug

[4.0.0+] Official user-processes now use GetAvailableLanguageCodes2/GetAvailableLanguageCodeCount2 instead of {original commands}.

In official user-processes in the #Language->#LanguageCode conversion function (MakeLanguageCode):

• During one-time init, GetAvailableLanguageCodes is used to initialize the LanguageCodes array cache, with max_entries=0xF (buffer size in u64s). [4.0.0+] GetAvailableLanguageCodes2 is now used with max_entries 0x40.
• [4.0.0+] When the input #Language is larger than the cached total_entries from the above command output, or #Language is negative, command MakeLanguageCode is used instead of the array.

GetKeyCodeMap

Takes a type-0x16 output buffer containing KeyCodeMap, official sw uses fixed size 0x1000. This is probably related to HID keyboard.

GetFirmwareVersionForDebug

Takes a type-0x16 output buffer containing a 0x80-byte "nn::oe::FirmwareVersionForDebug".

This uses #GetDebugModeFlag internally, if the output flag is 0 an error is thrown.

This runs the same code as GetFirmwareVersion2, with the last 0x80-bytes of the output being copied to the output buffer.

Language

"nn::settings::Language" (s32) is basically array indices in the output array from GetAvailableLanguageCodes.

LanguageCode

This is "nn::settings::LanguageCode".

This is an u64, which is a NUL-terminated string.

Array-index / #Language	#LanguageCode	Icon language filename	Name
0	ja	"Japanese"	Japanese
1	en-US	"AmericanEnglish"	EnglishUs
2	fr	"French"	French
3	de	"German"	German
4	it	"Italian"	Italian
5	es	"Spanish"	Spanish
6	zh-CN	"Chinese"	Chinese
7	ko	"Korean"	Korean
8	nl	"Dutch"	Dutch
9	pt	"Portuguese"	Portuguese
10	ru	"Russian"	Russian
11	zh-TW	"Taiwanese"	Taiwanese
12	en-GB	"BritishEnglish"	EnglishUk
13	fr-CA	"CanadianFrench"	FrenchCa
14	es-419	"LatinAmericanSpanish"	SpanishLatin
[4.0.0+] 15	zh-Hans	"SimplifiedChinese"	ChineseSimplified
[4.0.0+] 16	zh-Hant	"TraditionalChinese"	ChineseTraditional

RegionCode

A region code is a signed 32-bit value representing a particular region. Currently the available regions defined by the system are as follows:

Value	Region
0	Japan
1	USA
2	Europe
3	Australia
4	China
5	Korea
6	Taiwan
Any other value	Considered an unknown region

set:fd

This is "nn::settings::IFirmwareDebugSettingsServer".

[4.0.0+] Only exposed if in debug mode.

Cmd	Name
2	SetSettingsItemValue
3	ResetSettingsItemValue
4	CreateSettingsItemKeyIterator
10	[4.0.0+] ReadSettings
11	[4.0.0+] ResetSettings
20	[4.0.0+] SetWebInspectorFlag
21	[4.0.0+] SetAllowedSslHosts
22	[4.0.0+] SetHostFsMountPoint
23	[9.0.0+] SetMemoryUsageRateFlag

ISettingsItemKeyIterator

Cmd	Name
0	GoNext
1	GetKeySize
2	GetKey

set:cal

This is "nn::settings::IFactorySettingsServer".

Cmd	Name
0	GetBluetoothBdAddress
1	GetConfigurationId1
2	GetAccelerometerOffset
3	GetAccelerometerScale
4	GetGyroscopeOffset
5	GetGyroscopeScale
6	GetWirelessLanMacAddress
7	GetWirelessLanCountryCodeCount
8	GetWirelessLanCountryCodes
9	GetSerialNumber
10	SetInitialSystemAppletProgramId
11	SetOverlayDispProgramId
12	GetBatteryLot
14	#GetEciDeviceCertificate
15	#GetEticketDeviceCertificate
16	#GetSslKey
17	#GetSslCertificate
18	#GetGameCardKey
19	#GetGameCardCertificate
20	#GetEciDeviceKey
21	#GetEticketDeviceKey
22	GetSpeakerParameter
23	[4.0.0+] GetLcdVendorId
24	[5.0.0+] #GetEciDeviceCertificate2
25	[5.0.0+] #GetEciDeviceKey2
26	[5.0.0+] GetAmiiboKey
27	[5.0.0+] GetAmiiboEcqvCertificate
28	[5.0.0+] GetAmiiboEcdsaCertificate
29	[5.0.0+] GetAmiiboEcqvBlsKey
30	[5.0.0+] GetAmiiboEcqvBlsCertificate
31	[5.0.0+] GetAmiiboEcqvBlsRootCertificate
32	[5.0.0+] GetUsbTypeCPowerSourceCircuitVersion
33	[9.0.0+] GetAnalogStickModuleTypeL
34	[9.0.0+] GetAnalogStickModelParameterL
35	[9.0.0+] GetAnalogStickFactoryCalibrationL
36	[9.0.0+] GetAnalogStickModuleTypeR
37	[9.0.0+] GetAnalogStickModelParameterR
38	[9.0.0+] GetAnalogStickFactoryCalibrationR
39	[9.0.0+] GetConsoleSixAxisSensorModuleType
40	[9.0.0+] GetConsoleSixAxisSensorHorizontalOffset
41	[6.0.0+] GetBatteryVersion

Used for accessing data calibrated at the factory.

GetEciDeviceCertificate

Takes a type-0x16 output buffer with fixed size 0x180.

Returns the device certificate (ECC signed). This is identical to 3DS DeviceCert/CTCert besides the strings. NIM loads the DeviceId from this.

GetEticketDeviceCertificate

Takes a type-0x16 output buffer with fixed size 0x240.

Returns the ETicket certificate (RSA signed).

GetSslKey

Takes a type-0x16 output buffer with fixed size 0x134.

Returns the extended SSL key (0x130 bytes) from CAL0. If the extended key is not programmed then it falls back to the normal SSL key (0x110 bytes).

Used by SSL-sysmodule, see here.

GetSslCertificate

Takes a type-0x16 output buffer with fixed size 0x804.

Returns a container with the plaintext SSL certificate.

Used by SSL-sysmodule, see here.

GetGameCardKey

Takes a type-0x16 output buffer with fixed size 0x134.

Returns the extended GameCard key (0x130 bytes) from CAL0. If the extended key is not programmed then it falls back to the normal GameCard key (0x110 bytes).

GetGameCardCertificate

Takes a type-0x16 output buffer with fixed size 0x404.

Returns a container with the GameCard certificate.

GetEciDeviceKey

Returns the extended device ECC-B233 key (0x50 bytes) from CAL0. If the extended key is not programmed then it falls back to the normal device ECC-B233 key (0x30 bytes).

[5.0.0+] Now returns an additional 4-bytes.

GetEticketDeviceKey

Takes a type-0x16 output buffer with fixed size 0x244.

Returns the extended ETicket RSA-2048 key (0x240 bytes) from CAL0. If the extended key is not programmed then it falls back to the normal ETicket RSA-2048 key (0x220 bytes).

GetEciDeviceCertificate2

Same as #GetEciDeviceCertificate, but returns a RSA-2048 variant of the device certificate.

GetEciDeviceKey2

Same as #GetEciDeviceKey, but returns a RSA-2048 variant of the device key.

setcal Container Structure

Offset	Size	Name
0x0	0x4	Size (same size used for decryption if needed)
0x4	{above size}	Actual data starts here.

This container is used for returning data with variable sizes.

set:sys

This is "nn::settings::ISystemSettingsServer".

Cmd	Name
0	#SetLanguageCode
1	SetNetworkSettings
2	GetNetworkSettings
3	#GetFirmwareVersion
4	[3.0.0+] GetFirmwareVersion2
5	[5.0.0+] GetFirmwareVersionDigest
7	GetLockScreenFlag
8	SetLockScreenFlag
9	GetBacklightSettings
10	SetBacklightSettings
11	SetBluetoothDevicesSettings
12	GetBluetoothDevicesSettings
13	GetExternalSteadyClockSourceId
14	SetExternalSteadyClockSourceId
15	GetUserSystemClockContext
16	SetUserSystemClockContext
17	#GetAccountSettings
18	#SetAccountSettings
19	GetAudioVolume
20	SetAudioVolume
21	#GetEulaVersions
22	#SetEulaVersions
23	#GetColorSetId
24	#SetColorSetId
25	GetConsoleInformationUploadFlag
26	SetConsoleInformationUploadFlag
27	GetAutomaticApplicationDownloadFlag
28	SetAutomaticApplicationDownloadFlag
29	#GetNotificationSettings
30	#SetNotificationSettings
31	#GetAccountNotificationSettings
32	#SetAccountNotificationSettings
35	GetVibrationMasterVolume
36	SetVibrationMasterVolume
37	GetSettingsItemValueSize
38	#GetSettingsItemValue
39	#GetTvSettings
40	#SetTvSettings
41	GetEdid
42	SetEdid
43	GetAudioOutputMode
44	SetAudioOutputMode
45	IsForceMuteOnHeadphoneRemoved
46	SetForceMuteOnHeadphoneRemoved
47	#GetQuestFlag
48	SetQuestFlag
49	#GetDataDeletionSettings
50	#SetDataDeletionSettings
51	GetInitialSystemAppletProgramId
52	GetOverlayDispProgramId
53	GetDeviceTimeZoneLocationName
54	SetDeviceTimeZoneLocationName
55	#GetWirelessCertificationFileSize
56	#GetWirelessCertificationFile
57	#SetRegionCode
58	GetNetworkSystemClockContext
59	SetNetworkSystemClockContext
60	IsUserSystemClockAutomaticCorrectionEnabled
61	SetUserSystemClockAutomaticCorrectionEnabled
62	#GetDebugModeFlag
63	#GetPrimaryAlbumStorage
64	#SetPrimaryAlbumStorage
65	GetUsb30EnableFlag
66	SetUsb30EnableFlag
67	#GetBatteryLot
68	#GetSerialNumber
69	GetNfcEnableFlag
70	SetNfcEnableFlag
71	#GetSleepSettings
72	#SetSleepSettings
73	GetWirelessLanEnableFlag
74	SetWirelessLanEnableFlag
75	#GetInitialLaunchSettings
76	#SetInitialLaunchSettings
77	GetDeviceNickName
78	SetDeviceNickName
79	#GetProductModel
80	GetLdnChannel
81	SetLdnChannel
82	AcquireTelemetryDirtyFlagEventHandle
83	GetTelemetryDirtyFlags
84	GetPtmBatteryLot
85	SetPtmBatteryLot
86	GetPtmFuelGaugeParameter
87	SetPtmFuelGaugeParameter
88	GetBluetoothEnableFlag
89	SetBluetoothEnableFlag
90	#GetMiiAuthorId
91	SetShutdownRtcValue
92	GetShutdownRtcValue
93	AcquireFatalDirtyFlagEventHandle
94	GetFatalDirtyFlags
95	[2.0.0+] GetAutoUpdateEnableFlag
96	[2.0.0+] SetAutoUpdateEnableFlag
97	[2.0.0+] GetNxControllerSettings
98	[2.0.0+] SetNxControllerSettings
99	[2.0.0+] GetBatteryPercentageFlag
100	[2.0.0+] SetBatteryPercentageFlag
101	[2.0.0+] GetExternalRtcResetFlag
102	[2.0.0+] SetExternalRtcResetFlag
103	[3.0.0+] GetUsbFullKeyEnableFlag
104	[3.0.0+] SetUsbFullKeyEnableFlag
105	[3.0.0+] SetExternalSteadyClockInternalOffset
106	[3.0.0+] GetExternalSteadyClockInternalOffset
107	[3.0.0+] GetBacklightSettingsEx
108	[3.0.0+] SetBacklightSettingsEx
109	[3.0.0+] GetHeadphoneVolumeWarningCount
110	[3.0.0+] SetHeadphoneVolumeWarningCount
111	[3.0.0+] GetBluetoothAfhEnableFlag
112	[3.0.0+] SetBluetoothAfhEnableFlag
113	[3.0.0+] GetBluetoothBoostEnableFlag
114	[3.0.0+] SetBluetoothBoostEnableFlag
115	[3.0.0+] GetInRepairProcessEnableFlag
116	[3.0.0+] SetInRepairProcessEnableFlag
117	[3.0.0+] GetHeadphoneVolumeUpdateFlag
118	[3.0.0+] SetHeadphoneVolumeUpdateFlag
119	[3.0.0+] NeedsToUpdateHeadphoneVolume
120	[3.0.0+] GetPushNotificationActivityModeOnSleep
121	[3.0.0+] SetPushNotificationActivityModeOnSleep
122	[4.0.0+] #GetServiceDiscoveryControlSettings
123	[4.0.0+] SetServiceDiscoveryControlSettings
124	[4.0.0+] #GetErrorReportSharePermission
125	[4.0.0+] #SetErrorReportSharePermission
126	[4.0.0+] #GetAppletLaunchFlags
127	[4.0.0+] #SetAppletLaunchFlags
128	[4.0.0+] GetConsoleSixAxisSensorAccelerationBias
129	[4.0.0+] SetConsoleSixAxisSensorAccelerationBias
130	[4.0.0+] GetConsoleSixAxisSensorAngularVelocityBias
131	[4.0.0+] SetConsoleSixAxisSensorAngularVelocityBias
132	[4.0.0+] GetConsoleSixAxisSensorAccelerationGain
133	[4.0.0+] SetConsoleSixAxisSensorAccelerationGain
134	[4.0.0+] GetConsoleSixAxisSensorAngularVelocityGain
135	[4.0.0+] SetConsoleSixAxisSensorAngularVelocityGain
136	[4.0.0+] #GetKeyboardLayout
137	[4.0.0+] #SetKeyboardLayout
138	[4.0.0+] GetWebInspectorFlag
139	[4.0.0+] #GetAllowedSslHosts
140	[4.0.0+] GetHostFsMountPoint
141	[5.0.0+] GetRequiresRunRepairTimeReviser
142	[5.0.0+] SetRequiresRunRepairTimeReviser
143	[5.0.0+] SetBlePairingSettings
144	[5.0.0+] GetBlePairingSettings
145	[5.0.0+] GetConsoleSixAxisSensorAngularVelocityTimeBias
146	[5.0.0+] SetConsoleSixAxisSensorAngularVelocityTimeBias
147	[5.0.0+] GetConsoleSixAxisSensorAngularAcceleration
148	[5.0.0+] SetConsoleSixAxisSensorAngularAcceleration
149	[5.0.0+] #GetRebootlessSystemUpdateVersion
150	[5.0.0+] GetDeviceTimeZoneLocationUpdatedTime
151	[5.0.0+] SetDeviceTimeZoneLocationUpdatedTime
152	[6.0.0+] GetUserSystemClockAutomaticCorrectionUpdatedTime
153	[6.0.0+] SetUserSystemClockAutomaticCorrectionUpdatedTime
154	[6.0.0+] GetAccountOnlineStorageSettings
155	[6.0.0+] SetAccountOnlineStorageSettings
156	[6.0.0+] GetPctlReadyFlag
157	[6.0.0+] SetPctlReadyFlag
158	[9.0.0+] GetAnalogStickUserCalibrationL
159	[9.0.0+] SetAnalogStickUserCalibrationL
160	[9.0.0+] GetAnalogStickUserCalibrationR
161	[9.0.0+] SetAnalogStickUserCalibrationR
162	[6.0.0+] GetPtmBatteryVersion
163	[6.0.0+] SetPtmBatteryVersion
164	[6.0.0+] GetUsb30HostEnableFlag
165	[6.0.0+] SetUsb30HostEnableFlag
166	[6.0.0+] GetUsb30DeviceEnableFlag
167	[6.0.0+] SetUsb30DeviceEnableFlag
168	[7.0.0+] GetThemeId
169	[7.0.0+] SetThemeId
170	[7.0.0+] #GetChineseTraditionalInputMethod
171	[7.0.0+] #SetChineseTraditionalInputMethod
172	[7.0.0+] GetPtmCycleCountReliability
173	[7.0.0+] SetPtmCycleCountReliability
174	[9.0.0+] #GetHomeMenuScheme
175	[7.0.0+] GetThemeSettings
176	[7.0.0+] SetThemeSettings
177	[7.0.0+] GetThemeKey
178	[7.0.0+] SetThemeKey
179	[8.0.0+] GetZoomFlag
180	[8.0.0+] SetZoomFlag
181	[8.0.0+] #GetT
182	[8.0.0+] #SetT
183	[9.0.0+] #GetPlatformRegion
184	[9.0.0+] #SetPlatformRegion
185	[9.0.0+] #GetHomeMenuSchemeModel
186	[9.0.0+] #GetMemoryUsageRateFlag
187	[9.0.0+] #GetTouchScreenMode
188	[9.0.0+] #SetTouchScreenMode

Official user-processes gets a new service session handle each time a set:sys cmd is used, with the session being closed afterwards.

SetLanguageCode

Takes an input #LanguageCode, no output.

GetFirmwareVersion

Takes a type-0x1A output buffer. User-processes use hard-coded size 0x100.

If needed, reads the content of the System_Version_Title "/file" into state. This is only done once.

Then the above 0x100-byte data is copied to the output buffer.

GetAccountSettings

No input, returns an output #AccountSettings.

SetAccountSettings

Takes an input #AccountSettings, no output.

GetEulaVersions

Takes a type-0x6 output buffer containing an array of #EulaVersion, returns an output s32 total_out.

SetEulaVersions

Takes a type-0x5 input buffer containing an array of #EulaVersion, no output.

GetColorSetId

No input, returns an output s32.

This is the current Theme set by System Settings.

• 0: "Basic White"
• 1: "Basic Black"

SetColorSetId

Takes an input s32, no output.

GetNotificationSettings

No input, returns an output #NotificationSettings.

SetNotificationSettings

Takes an input #NotificationSettings, no output.

GetAccountNotificationSettings

Takes a type-0x6 output buffer containing an array of #AccountNotificationSettings, returns an output s32 total_out.

SetAccountNotificationSettings

Takes a type-0x5 input buffer containing an array of #AccountNotificationSettings, no output.

GetSettingsItemValue

Takes two type-0x19 input buffers and a type-0x6 output buffer. Returns an output u64 for the actual size written to the outbuf.

The outbuf_size is compared with the config_size. When config_size is larger than outbuf_size, outbuf_size is used for the memcpy, otherwise config_size is used. Afterwards the size used for the memcpy is written to output(see above).

If loading from main config fails, it will also attempt to load config from various state if the input strings match hard-coded strings.

GetTvSettings

No input, returns an output #TvSettings.

SetTvSettings

Takes an input #TvSettings, no output.

GetDebugModeFlag

Returns an output u8.

Loads the 1-byte config for <"settings_debug", "is_debug_mode_enabled">. If that fails, value 0x1 is written to output. This uses the same func as ReadSetting internally.

Returned retval is always 0.

GetPrimaryAlbumStorage

No input, returns an output s32 #PrimaryAlbumStorage.

SetPrimaryAlbumStorage

Takes an input s32 #PrimaryAlbumStorage, no output.

GetBatteryLot

No input, returns an output #BatteryLot.

GetSerialNumber

Returns the 0x18-byte SerialNumber string.

GetSleepSettings

No input, returns an output #SleepSettings.

SetSleepSettings

Takes an input #SleepSettings, no output.

GetInitialLaunchSettings

No input, returns an output #InitialLaunchSettings.

SetInitialLaunchSettings

Takes an input #InitialLaunchSettings, no output.

GetProductModel

No input, returns an output s32.

GetMiiAuthorId

No input, returns an output "nn::util::Uuid".

GetServiceDiscoveryControlSettings

Returns an u32 ServiceDiscoveryControlSettings.

GetErrorReportSharePermission

No input, returns an output s32 #ErrorReportSharePermission.

SetErrorReportSharePermission

Takes an input s32 #ErrorReportSharePermission, no output.

GetAppletLaunchFlags

No input, returns an u32 bitmask #AppletLaunchFlag.

SetAppletLaunchFlags

Takes an input u32 bitmask #AppletLaunchFlag, no output.

GetKeyboardLayout

No input, returns an output s32 #KeyboardLayout.

SetKeyboardLayout

Takes an input s32 #KeyboardLayout, no output.

GetAllowedSslHosts

Takes a type-0x6 output buffer, returns an output s32. This buffer contains an array of 0x8-byte "nn::settings::system::AllowedSslHost" entries.

GetRebootlessSystemUpdateVersion

No input, returns an output #RebootlessSystemUpdateVersion.

GetQuestFlag

Gets a flag determining whether the console is a kiosk unit (codenamed "Quest"). Used by qlaunch to determine whether to launch Retail Interactive Display Menu.

GetDataDeletionSettings

No input, returns an output #DataDeletionSettings.

SetDataDeletionSettings

Takes an input #DataDeletionSettings, no output.

GetWirelessCertificationFileSize

No input, returns an output u64 size.

GetWirelessCertificationFile

Takes a type-0x6 output buffer, returns an output u64 size.

This gets the WirelessCertificationFile.

SetRegionCode

Takes an input s32 #RegionCode, no output.

GetChineseTraditionalInputMethod

No input, returns an output s32 #ChineseTraditionalInputMethod.

SetChineseTraditionalInputMethod

Takes an input s32 #ChineseTraditionalInputMethod, no output.

GetHomeMenuScheme

No input, returns an output 0x14-byte struct "nn::settings::system::HomeMenuScheme".

This struct contains 5 RGBA8 u32s for colors: Main, Back, Sub, Bezel and Extra.

The colors are loaded from Calibration, with the set of fields to use selected by ColorVariation. When ColorVariation is invalid (must be 1-4), the following fixed color values are returned: 0xFF323232, 0xFF323232, 0xFFFFFFFF, 0xFFFFFFFF, 0xFF000000.

GetT

No input, returns an output u8 bool IsT.

[9.0.0+] This is a wrapper for #GetPlatformRegion: IsT = (PlatformRegion == 2).

SetT

Takes an input u8 bool IsT, no output.

[9.0.0+] This is a wrapper for #SetPlatformRegion: PlatformRegion = 1 + (IsT & 1).

GetPlatformRegion

No input, returns an output s32.

SetPlatformRegion

Takes an input s32, no output.

GetHomeMenuSchemeModel

No input, returns an output u32.

Loads the 0xB-byte setting <"settings_debug", "home_menu_scheme_model">, throwing an error if loading this fails. Depending on the content of the setting, the output u32 is either determined by the value of this setting, or loaded from Calibration.

GetMemoryUsageRateFlag

No input, returns an output u8 bool.

GetTouchScreenMode

No input, returns an output s32.

Official sw loads the output as an u8 and copies it to an output #TouchScreenMode.

SetTouchScreenMode

Takes an input s32, no output.

Official sw sets the input to an u8 loaded from an input #TouchScreenMode.

UserSelectorFlag

This is "nn::settings::system::UserSelectorFlag".

Bits	Description
0	SkipsIfSingleUser
31	Unknown

UserSelectorSettings

This is "nn::settings::system::UserSelectorSettings".

This contains an u32 bitmask for #UserSelectorFlag.

AccountSettings

This is "nn::settings::system::AccountSettings".

This contains #UserSelectorSettings.

EulaVersionClockType

Value	Description
0	NetworkSystemClock
1	SteadyClock

NotificationVolume

Value	Description
0	Mute
1	Low
2	High

FriendPresenceOverlayPermission

Value	Description
0	NotConfirmed
1	NoDisplay
2	FavoriteFriends
3	Friends

TvResolution

Value	Description
0	Auto
1	1080p
2	720p
3	480p

HdmiContentType

Value	Description
0	None
1	Graphics
2	Cinema
3	Photo
4	Game

RgbRange

Value	Description
0	Auto
1	Full
2	Limited

CmuMode

Value	Description
0	None
1	ColorInvert
2	HighContrast
3	GrayScale

EulaVersion

This is "nn::settings::system::EulaVersion".

Offset	Size	Description
0x0	0x4	u32 version
0x4	0x4	s32 region_code
0x8	0x4	s32 clock_type
0xC	0x4	Padding
0x10	0x8	PosixTime network_clock_time
0x18	0x18	SteadyClockTimePoint steady_clock_time

NotificationTime

Offset	Size	Description
0x0	0x4	s32 hour
0x4	0x4	s32 minute

NotificationSettings

This is "nn::settings::system::NotificationSettings".

Offset	Size	Description
0x0	0x4	u32 flags. Bitmask with NotificationFlag.
0x4	0x4	s32 volume
0x8	0x8	#NotificationTime start_time
0x10	0x8	#NotificationTime end_time

AccountNotificationSettings

This is "nn::settings::system::AccountNotificationSettings".

Offset	Size	Description
0x0	0x10	uid
0x10	0x4	u32 flags. Bitmask for AccountNotificationFlag.
0x14	0x1	s8 friend_presence_overlay_permission
0x15	0x3	Padding

TvSettings

This is "nn::settings::system::TvSettings".

Offset	Size	Description
0x0	0x4	u32 flags. Bitmask with TvFlag.
0x4	0x4	s32 tv_resolution
0x8	0x4	s32 hdmi_content_type
0xC	0x4	s32 rgb_range
0x10	0x4	s32 cmu_mode
0x14	0x4	u32 underscan
0x18	0x4	float gamma
0x1C	0x4	float contrast

DataDeletionSettings

This is "nn::settings::system::DataDeletionSettings".

Offset	Size	Description
0x0	0x4	u32 flags. Bitmask with DataDeletionFlag.
0x4	0x4	s32 use_count

BatteryLot

This is "nn::settings::BatteryLot".

Offset	Size	Description
0x0	0x18	String.

SleepSettings

This is "nn::settings::system::SleepSettings".

Offset	Size	Description
0x0	0x4	?
0x4	0x4	?
0x8	0x4	?

InitialLaunchSettings

This is "nn::settings::system::InitialLaunchSettings". This struct is 8-byte aligned.

Offset	Size	Description
0x0	0x20	?

RebootlessSystemUpdateVersion

This is "nn::settings::system::RebootlessSystemUpdateVersion". This struct is 4-byte aligned.

This is the content of the RebootlessSystemUpdateVersion SystemData, in the "/version" file.

Offset	Size	Description
0x0	0x40	?

PrimaryAlbumStorage

This is u32 enum "nn::settings::system::PrimaryAlbumStorage".

Value	Description
0	Nand
1	SdCard

ErrorReportSharePermission

This is u32 enum "nn::settings::system::ErrorReportSharePermission".

Value	Description
0	NotConfirmed
1	Granted
2	Denied

ServiceDiscoveryControlSettings

This is a 32-bit bitfield.

Bits	Description
0	IsChangeEnvironmentIdentifierDisabled

AppletLaunchFlag

This is "nn::settings::system::AppletLaunchFlag". This is an u32 bitmask.

KeyboardLayout

This is u32 enum "nn::settings::KeyboardLayout".

Value	Description
1	EnglishUs
2	EnglishUsInternational
3	EnglishUk
4	French
5	FrenchCa
6	Spanish
7	SpanishLatin
8	German
9	Italian
10	Portuguese
11	Russian
12	Korean
13	ChineseSimplified
14	ChineseTraditional

ChineseTraditionalInputMethod

This is u32 enum "nn::settings::ChineseTraditionalInputMethod".

Value	Description
1
2

TouchScreenMode

This is "nn::settings::system::TouchScreenMode".

This is an u8. This controls "Touch-Screen Sensitivity", values:

• 0: Stylus.
• 1: Standard, the default.

System Config

There's a common config title (*818), and a config title for each HardwareType.

See System_Settings.