Settings services

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set

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

Cmd Name
0 GetLanguageCode
1 GetAvailableLanguageCodes
3 GetAvailableLanguageCodeCount
4 GetRegionCode

set:fd

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

Cmd Name Notes
2 SetSettingsItemValue
3 ResetSettingsItemValue
4 CreateSettingsItemKeyIterator Returns an #ISettingsItemKeyIterator.

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

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).

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).

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 GetFirmwareVersion2
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 GetAutoUpdateEnableFlag
96 SetAutoUpdateEnableFlag
97 GetNxControllerSettings
98 SetNxControllerSettings
99 GetBatteryPercentageFlag
100 SetBatteryPercentageFlag
101 GetExternalRtcResetFlag
102 SetExternalRtcResetFlag
103 GetUsbFullKeyEnableFlag
104 SetUsbFullKeyEnableFlag
105 SetExternalSteadyClockInternalOffset
106 GetExternalSteadyClockInternalOffset
107 GetBacklightSettingsEx
108 SetBacklightSettingsEx
109 GetHeadphoneVolumeWarningCount
110 SetHeadphoneVolumeWarningCount
111 GetBluetoothAfhEnableFlag
112 SetBluetoothAfhEnableFlag
113 GetBluetoothBoostEnableFlag
114 SetBluetoothBoostEnableFlag
115 GetInRepairProcessEnableFlag
116 SetInRepairProcessEnableFlag
117 GetHeadphoneVolumeUpdateFlag
118 SetHeadphoneVolumeUpdateFlag
119 NeedsToUpdateHeadphoneVolume
120 GetPushNotificationActivityModeOnSleep
121 SetPushNotificationActivityModeOnSleep

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

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.

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.

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.

GetSerialNumber

Returns the 0x18-byte SerialNumber string.