3DS:System files - Revision history

Cominou: added translation marks for table header

2026-03-15T08:13:45Z

added translation marks for table header

← Older revision		Revision as of 08:13, 15 March 2026
Line 5:		Line 5:
	</translate>		</translate>
	{\| class="wikitable"		{\| class="wikitable"
	!Filename		!<translate>Filename</translate>
	!Name in essential.exefs		!<translate>Name in essential.exefs</translate>
	!Path in GodMode9		!<translate>Path in GodMode9</translate>
	!Purpose		!<translate>Purpose</translate>
	!Importance		!<translate>Importance</translate>
	\|-		\|-
	\|<code>LocalFriendCodeSeed_B</code>		\|<code>LocalFriendCodeSeed_B</code>

Ihaveahax: add {{#translation:}}

2025-08-08T00:08:27Z

add {{#translation:}}

← Older revision		Revision as of 00:08, 8 August 2025
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	<code>hwcal0</code> and <code>hwcal1</code> were not included in <code>essential.exefs</code> before GodMode9 v1.3.0 ({{Start date and age\|2017\|08\|07}}).		<code>hwcal0</code> and <code>hwcal1</code> were not included in <code>essential.exefs</code> before GodMode9 v1.3.0 ({{Start date and age\|2017\|08\|07}}).
	</translate>		</translate>
	[[Category:Nintendo 3DS information]]		[[Category:Nintendo 3DS information{{#translation:}}]]

Ihaveahax: Marked this version for translation

2025-08-01T05:17:12Z

Marked this version for translation

← Older revision		Revision as of 05:17, 1 August 2025
Line 1:		Line 1:
	<languages/>		<languages/>
	<translate>		<translate>
			<!--T:1-->
	This is a list of important system files or other data.		This is a list of important system files or other data.
	</translate>		</translate>
Line 13:		Line 14:
	\|<code>frndseed</code>		\|<code>frndseed</code>
	\|<code>1:/rw/sys/LocalFriendCodeSeed_B</code>		\|<code>1:/rw/sys/LocalFriendCodeSeed_B</code>
	\|<translate>Used to identify the console for online play.</translate>		\|<translate><!--T:2--> Used to identify the console for online play.</translate>
	\|<translate>Bans from online play are effectively bans on the LFCS. (Don't ask here or NH for help on how to get unbanned.)</translate>		\|<translate><!--T:3--> Bans from online play are effectively bans on the LFCS. (Don't ask here or NH for help on how to get unbanned.)</translate>
	\|-		\|-
	\|<code>HWCAL0.dat</code> and <code>HWCAL1.dat</code>		\|<code>HWCAL0.dat</code> and <code>HWCAL1.dat</code>
	\|<code>hwcal0</code> and <code>hwcal1</code>		\|<code>hwcal0</code> and <code>hwcal1</code>
	\|<code>1:/ro/sys/HWCAL0.dat</code> and <code>1:/ro/sys/HWCAL1.dat</code>		\|<code>1:/ro/sys/HWCAL0.dat</code> and <code>1:/ro/sys/HWCAL1.dat</code>
	\|<translate>Contains hardware calibration data. Parts of this are put into the Config savegame during first-time setup.</translate>		\|<translate><!--T:4--> Contains hardware calibration data. Parts of this are put into the Config savegame during first-time setup.</translate>
	\|<translate>If this file is lost or taken from a different console, then when the console is formatted, the calibration data will be inaccurate and can result in problems such as flickering screens.</translate>		\|<translate><!--T:5--> If this file is lost or taken from a different console, then when the console is formatted, the calibration data will be inaccurate and can result in problems such as flickering screens.</translate>
	\|-		\|-
	\|<code>movable.sed</code>		\|<code>movable.sed</code>
	\|<code>movable</code>		\|<code>movable</code>
	\|<code>1:/private/movable.sed</code>		\|<code>1:/private/movable.sed</code>
	\|<translate>Contains data that is used to encrypt digital games and saves on the SD card. Also used for CMACs on various NAND files.</translate>		\|<translate><!--T:6--> Contains data that is used to encrypt digital games and saves on the SD card. Also used for CMACs on various NAND files.</translate>
	\|<translate>Keeping a backup of this is important if you want to ensure you can still recover your old saves if your console is lost or broken!</translate>		\|<translate><!--T:7--> Keeping a backup of this is important if you want to ensure you can still recover your old saves if your console is lost or broken!</translate>
	\|-		\|-
	\|NAND CID		\|NAND CID
	\|<code>nand_cid</code>		\|<code>nand_cid</code>
	\|<code>M:/nand_cid.mem</code>		\|<code>M:/nand_cid.mem</code>
	\|<translate>Used as part of the NAND encryption.</translate>		\|<translate><!--T:8--> Used as part of the NAND encryption.</translate>
	\|<translate>This can be used to decrypt a NAND backup on a PC, however it's not strictly required for 99.9% of cases.</translate>		\|<translate><!--T:9--> This can be used to decrypt a NAND backup on a PC, however it's not strictly required for 99.9% of cases.</translate>
	\|-		\|-
	\|NAND header		\|NAND header
	\|<code>nand_hdr</code>		\|<code>nand_hdr</code>
	\|<code>S:/nand_hdr.bin</code>		\|<code>S:/nand_hdr.bin</code>
	\|<translate>Contains information on the NAND partitions. The console-unique part here include the TWL MBR, which is encrypted per-console.</translate>		\|<translate><!--T:10--> Contains information on the NAND partitions. The console-unique part here include the TWL MBR, which is encrypted per-console.</translate>
	\|<translate>Corrupting this will prevent the console from starting. However GodMode9 can generate a new one in its place if you can use it through something like [[3DS:Ntrboot\|ntrboot]].</translate>		\|<translate><!--T:11--> Corrupting this will prevent the console from starting. However GodMode9 can generate a new one in its place if you can use it through something like [[3DS:Ntrboot\|ntrboot]].</translate>
	\|-		\|-
	\|OTP		\|OTP
	\|<code>otp</code>		\|<code>otp</code>
	\|<code>M:/otp.mem</code> and <code>M:/otp_dec.mem</code>		\|<code>M:/otp.mem</code> and <code>M:/otp_dec.mem</code>
	\|<translate>Contains various kinds of console-unique data. Used to generate encryption keys and identifies a console in some cases like the eShop. See also: [[3dbrew:OTP Registers]]</translate>		\|<translate><!--T:12--> Contains various kinds of console-unique data. Used to generate encryption keys and identifies a console in some cases like the eShop. See also: [[3dbrew:OTP Registers]]</translate>
	\|<translate>This is required to decrypt a NAND backup on a PC. Sharing this means someone could impersonate your console to Nintendo, so don't post it in a public space!</translate>		\|<translate><!--T:13--> This is required to decrypt a NAND backup on a PC. Sharing this means someone could impersonate your console to Nintendo, so don't post it in a public space!</translate>
	\|-		\|-
	\|<code>SecureInfo_A</code> or <code>SecureInfo_B</code>		\|<code>SecureInfo_A</code> or <code>SecureInfo_B</code>
	\|<code>secinfo</code>		\|<code>secinfo</code>
	\|<code>1:/rw/sys/SecureInfo_A</code> or <code>1:/rw/sys/SecureInfo_B</code>		\|<code>1:/rw/sys/SecureInfo_A</code> or <code>1:/rw/sys/SecureInfo_B</code>
	\|<translate>Used to identify the console in some cases like the eShop.</translate>		\|<translate><!--T:14--> Used to identify the console in some cases like the eShop.</translate>
	\|<translate>Sharing this means someone could impersonate your console to Nintendo, so don't post it in a public space!</translate>		\|<translate><!--T:15--> Sharing this means someone could impersonate your console to Nintendo, so don't post it in a public space!</translate>
	\|}		\|}
	<translate>		<translate>
	== Notes ==		== Notes == <!--T:16-->

			<!--T:17-->
	GodMode9 does not automatically update the essential backup; to manually update it, choose a NAND image (either SysNAND, EmuNAND, or a backup on the SD card), then choose "NAND image options..." -> "Update embedded backup".		GodMode9 does not automatically update the essential backup; to manually update it, choose a NAND image (either SysNAND, EmuNAND, or a backup on the SD card), then choose "NAND image options..." -> "Update embedded backup".

			<!--T:18-->
	<code>hwcal0</code> and <code>hwcal1</code> were not included in <code>essential.exefs</code> before GodMode9 v1.3.0 ({{Start date and age\|2017\|08\|07}}).		<code>hwcal0</code> and <code>hwcal1</code> were not included in <code>essential.exefs</code> before GodMode9 v1.3.0 ({{Start date and age\|2017\|08\|07}}).
	</translate>		</translate>
	[[Category:Nintendo 3DS information]]		[[Category:Nintendo 3DS information]]

Ihaveahax: translate tags

2025-08-01T05:17:02Z

translate tags

← Older revision		Revision as of 05:17, 1 August 2025
Line 1:		Line 1:
			<languages/>
			<translate>
	This is a list of important system files or other data.		This is a list of important system files or other data.
			</translate>
	{\| class="wikitable"		{\| class="wikitable"
	!Filename		!Filename
Line 10:		Line 13:
	\|<code>frndseed</code>		\|<code>frndseed</code>
	\|<code>1:/rw/sys/LocalFriendCodeSeed_B</code>		\|<code>1:/rw/sys/LocalFriendCodeSeed_B</code>
	\|Used to identify the console for online play.		\|<translate>Used to identify the console for online play.</translate>
	\|Bans from online play are effectively bans on the LFCS. (Don't ask here or NH for help on how to get unbanned.)		\|<translate>Bans from online play are effectively bans on the LFCS. (Don't ask here or NH for help on how to get unbanned.)</translate>
	\|-		\|-
	\|<code>HWCAL0.dat</code> and <code>HWCAL1.dat</code>		\|<code>HWCAL0.dat</code> and <code>HWCAL1.dat</code>
	\|<code>hwcal0</code> and <code>hwcal1</code>		\|<code>hwcal0</code> and <code>hwcal1</code>
	\|<code>1:/ro/sys/HWCAL0.dat</code> and <code>1:/ro/sys/HWCAL1.dat</code>		\|<code>1:/ro/sys/HWCAL0.dat</code> and <code>1:/ro/sys/HWCAL1.dat</code>
	\|Contains hardware calibration data. Parts of this are put into the Config savegame during first-time setup.		\|<translate>Contains hardware calibration data. Parts of this are put into the Config savegame during first-time setup.</translate>
	\|If this file is lost or taken from a different console, then when the console is formatted, the calibration data will be inaccurate and can result in problems such as flickering screens.		\|<translate>If this file is lost or taken from a different console, then when the console is formatted, the calibration data will be inaccurate and can result in problems such as flickering screens.</translate>
	\|-		\|-
	\|<code>movable.sed</code>		\|<code>movable.sed</code>
	\|<code>movable</code>		\|<code>movable</code>
	\|<code>1:/private/movable.sed</code>		\|<code>1:/private/movable.sed</code>
	\|Contains data that is used to encrypt digital games and saves on the SD card. Also used for CMACs on various NAND files.		\|<translate>Contains data that is used to encrypt digital games and saves on the SD card. Also used for CMACs on various NAND files.</translate>
	\|Keeping a backup of this is important if you want to ensure you can still recover your old saves if your console is lost or broken!		\|<translate>Keeping a backup of this is important if you want to ensure you can still recover your old saves if your console is lost or broken!</translate>
	\|-		\|-
	\|NAND CID		\|NAND CID
	\|<code>nand_cid</code>		\|<code>nand_cid</code>
	\|<code>M:/nand_cid.mem</code>		\|<code>M:/nand_cid.mem</code>
	\|Used as part of the NAND encryption.		\|<translate>Used as part of the NAND encryption.</translate>
	\|This can be used to decrypt a NAND backup on a PC, however it's not strictly required for 99.9% of cases.		\|<translate>This can be used to decrypt a NAND backup on a PC, however it's not strictly required for 99.9% of cases.</translate>
	\|-		\|-
	\|NAND header		\|NAND header
	\|<code>nand_hdr</code>		\|<code>nand_hdr</code>
	\|<code>S:/nand_hdr.bin</code>		\|<code>S:/nand_hdr.bin</code>
	\|Contains information on the NAND partitions. The console-unique part here include the TWL MBR, which is encrypted per-console.		\|<translate>Contains information on the NAND partitions. The console-unique part here include the TWL MBR, which is encrypted per-console.</translate>
	\|Corrupting this will prevent the console from starting. However GodMode9 can generate a new one in its place if you can use it through something like [[3DS:Ntrboot\|ntrboot]].		\|<translate>Corrupting this will prevent the console from starting. However GodMode9 can generate a new one in its place if you can use it through something like [[3DS:Ntrboot\|ntrboot]].</translate>
	\|-		\|-
	\|OTP		\|OTP
	\|<code>otp</code>		\|<code>otp</code>
	\|<code>M:/otp.mem</code> and <code>M:/otp_dec.mem</code>		\|<code>M:/otp.mem</code> and <code>M:/otp_dec.mem</code>
	\|Contains various kinds of console-unique data. Used to generate encryption keys and identifies a console in some cases like the eShop. See also: [[3dbrew:OTP Registers]]		\|<translate>Contains various kinds of console-unique data. Used to generate encryption keys and identifies a console in some cases like the eShop. See also: [[3dbrew:OTP Registers]]</translate>
	\|This is required to decrypt a NAND backup on a PC. Sharing this means someone could impersonate your console to Nintendo, so don't post it in a public space!		\|<translate>This is required to decrypt a NAND backup on a PC. Sharing this means someone could impersonate your console to Nintendo, so don't post it in a public space!</translate>
	\|-		\|-
	\|<code>SecureInfo_A</code> or <code>SecureInfo_B</code>		\|<code>SecureInfo_A</code> or <code>SecureInfo_B</code>
	\|<code>secinfo</code>		\|<code>secinfo</code>
	\|<code>1:/rw/sys/SecureInfo_A</code> or <code>1:/rw/sys/SecureInfo_B</code>		\|<code>1:/rw/sys/SecureInfo_A</code> or <code>1:/rw/sys/SecureInfo_B</code>
	\|Used to identify the console in some cases like the eShop.		\|<translate>Used to identify the console in some cases like the eShop.</translate>
	\|Sharing this means someone could impersonate your console to Nintendo, so don't post it in a public space!		\|<translate>Sharing this means someone could impersonate your console to Nintendo, so don't post it in a public space!</translate>
	\|}		\|}
			<translate>
			== Notes ==

	~~== Notes ==~~
	GodMode9 does not automatically update the essential backup; to manually update it, choose a NAND image (either SysNAND, EmuNAND, or a backup on the SD card), then choose "NAND image options..." -> "Update embedded backup".		GodMode9 does not automatically update the essential backup; to manually update it, choose a NAND image (either SysNAND, EmuNAND, or a backup on the SD card), then choose "NAND image options..." -> "Update embedded backup".

	<code>hwcal0</code> and <code>hwcal1</code> were not included in <code>essential.exefs</code> before GodMode9 v1.3.0 ({{Start date and age\|2017\|08\|07}}).		<code>hwcal0</code> and <code>hwcal1</code> were not included in <code>essential.exefs</code> before GodMode9 v1.3.0 ({{Start date and age\|2017\|08\|07}}).
			</translate>
	[[Category:Nintendo 3DS information]]		[[Category:Nintendo 3DS information]]

Ihaveahax: fix incorrect paths

2024-01-28T21:10:00Z

fix incorrect paths

← Older revision		Revision as of 21:10, 28 January 2024
Line 15:		Line 15:
	\|<code>HWCAL0.dat</code> and <code>HWCAL1.dat</code>		\|<code>HWCAL0.dat</code> and <code>HWCAL1.dat</code>
	\|<code>hwcal0</code> and <code>hwcal1</code>		\|<code>hwcal0</code> and <code>hwcal1</code>
	\|<code>S:/ro/sys/HWCAL0.dat</code> and <code>S:/ro/sys/HWCAL1.dat</code>		\|<code>1:/ro/sys/HWCAL0.dat</code> and <code>1:/ro/sys/HWCAL1.dat</code>
	\|Contains hardware calibration data. Parts of this are put into the Config savegame during first-time setup.		\|Contains hardware calibration data. Parts of this are put into the Config savegame during first-time setup.
	\|If this file is lost or taken from a different console, then when the console is formatted, the calibration data will be inaccurate and can result in problems such as flickering screens.		\|If this file is lost or taken from a different console, then when the console is formatted, the calibration data will be inaccurate and can result in problems such as flickering screens.
Line 45:		Line 45:
	\|<code>SecureInfo_A</code> or <code>SecureInfo_B</code>		\|<code>SecureInfo_A</code> or <code>SecureInfo_B</code>
	\|<code>secinfo</code>		\|<code>secinfo</code>
	\|<code>S:/rw/sys/SecureInfo_A</code> or <code>S:/rw/sys/SecureInfo_B</code>		\|<code>1:/rw/sys/SecureInfo_A</code> or <code>1:/rw/sys/SecureInfo_B</code>
	\|Used to identify the console in some cases like the eShop.		\|Used to identify the console in some cases like the eShop.
	\|Sharing this means someone could impersonate your console to Nintendo, so don't post it in a public space!		\|Sharing this means someone could impersonate your console to Nintendo, so don't post it in a public space!

Jonbo: linked ntrboot in NAND header

2023-10-15T00:26:11Z

linked ntrboot in NAND header

← Older revision		Revision as of 00:26, 15 October 2023
Line 35:		Line 35:
	\|<code>S:/nand_hdr.bin</code>		\|<code>S:/nand_hdr.bin</code>
	\|Contains information on the NAND partitions. The console-unique part here include the TWL MBR, which is encrypted per-console.		\|Contains information on the NAND partitions. The console-unique part here include the TWL MBR, which is encrypted per-console.
	\|Corrupting this will prevent the console from starting. However GodMode9 can generate a new one in its place if you can use it through something like ntrboot.		\|Corrupting this will prevent the console from starting. However GodMode9 can generate a new one in its place if you can use it through something like [[3DS:Ntrboot\|ntrboot]].
	\|-		\|-
	\|OTP		\|OTP

Ihaveahax: notes section

2023-08-27T01:08:09Z

notes section

← Older revision		Revision as of 01:08, 27 August 2023
Line 50:		Line 50:
	\|}		\|}

			== Notes ==
			GodMode9 does not automatically update the essential backup; to manually update it, choose a NAND image (either SysNAND, EmuNAND, or a backup on the SD card), then choose "NAND image options..." -> "Update embedded backup".

			<code>hwcal0</code> and <code>hwcal1</code> were not included in <code>essential.exefs</code> before GodMode9 v1.3.0 ({{Start date and age\|2017\|08\|07}}).
	[[Category:Nintendo 3DS information]]		[[Category:Nintendo 3DS information]]

Ihaveahax: Ihaveahax moved page User:Ihaveahax/3DS:System files to 3DS:System files without leaving a redirect

2022-07-06T20:48:50Z

Ihaveahax moved page User:Ihaveahax/3DS:System files to 3DS:System files without leaving a redirect

← Older revision		Revision as of 20:48, 6 July 2022
(No difference)

Ihaveahax: added Category:Nintendo 3DS information using HotCat

2022-07-04T10:49:34Z

added Category:Nintendo 3DS information using HotCat

← Older revision		Revision as of 10:49, 4 July 2022
Line 49:		Line 49:
	\|Sharing this means someone could impersonate your console to Nintendo, so don't post it in a public space!		\|Sharing this means someone could impersonate your console to Nintendo, so don't post it in a public space!
	\|}		\|}

			[[Category:Nintendo 3DS information]]

Ihaveahax: Created page with "This is a list of important system files or other data. {| class="wikitable" !Filename !Name in essential.exefs !Path in GodMode9 !Purpose !Importance |- |`LocalFriendCodeSeed_B` |`frndseed` |`1:/rw/sys/LocalFriendCodeSeed_B` |Used to identify the console for online play. |Bans from online play are effectively bans on the LFCS. (Don't ask here or NH for help on how to get unbanned.) |- |`HWCAL0.dat` and `HWCAL1.dat`..."

2022-07-03T07:20:17Z

Created page with "This is a list of important system files or other data. {| class="wikitable" !Filename !Name in essential.exefs !Path in GodMode9 !Purpose !Importance |- |<code>LocalFriendCodeSeed_B</code> |<code>frndseed</code> |<code>1:/rw/sys/LocalFriendCodeSeed_B</code> |Used to identify the console for online play. |Bans from online play are effectively bans on the LFCS. (Don't ask here or NH for help on how to get unbanned.) |- |<code>HWCAL0.dat</code> and <code>HWCAL1.dat</code>..."

New page

This is a list of important system files or other data.
{| class="wikitable"
!Filename
!Name in essential.exefs
!Path in GodMode9
!Purpose
!Importance
|-
|<code>LocalFriendCodeSeed_B</code>
|<code>frndseed</code>
|<code>1:/rw/sys/LocalFriendCodeSeed_B</code>
|Used to identify the console for online play.
|Bans from online play are effectively bans on the LFCS. (Don't ask here or NH for help on how to get unbanned.)
|-
|<code>HWCAL0.dat</code> and <code>HWCAL1.dat</code>
|<code>hwcal0</code> and <code>hwcal1</code>
|<code>S:/ro/sys/HWCAL0.dat</code> and <code>S:/ro/sys/HWCAL1.dat</code>
|Contains hardware calibration data. Parts of this are put into the Config savegame during first-time setup.
|If this file is lost or taken from a different console, then when the console is formatted, the calibration data will be inaccurate and can result in problems such as flickering screens.
|-
|<code>movable.sed</code>
|<code>movable</code>
|<code>1:/private/movable.sed</code>
|Contains data that is used to encrypt digital games and saves on the SD card. Also used for CMACs on various NAND files.
|Keeping a backup of this is important if you want to ensure you can still recover your old saves if your console is lost or broken!
|-
|NAND CID
|<code>nand_cid</code>
|<code>M:/nand_cid.mem</code>
|Used as part of the NAND encryption.
|This can be used to decrypt a NAND backup on a PC, however it's not strictly required for 99.9% of cases.
|-
|NAND header
|<code>nand_hdr</code>
|<code>S:/nand_hdr.bin</code>
|Contains information on the NAND partitions. The console-unique part here include the TWL MBR, which is encrypted per-console.
|Corrupting this will prevent the console from starting. However GodMode9 can generate a new one in its place if you can use it through something like ntrboot.
|-
|OTP
|<code>otp</code>
|<code>M:/otp.mem</code> and <code>M:/otp_dec.mem</code>
|Contains various kinds of console-unique data. Used to generate encryption keys and identifies a console in some cases like the eShop. See also: [[3dbrew:OTP Registers]]
|This is required to decrypt a NAND backup on a PC. Sharing this means someone could impersonate your console to Nintendo, so don't post it in a public space!
|-
|<code>SecureInfo_A</code> or <code>SecureInfo_B</code>
|<code>secinfo</code>
|<code>S:/rw/sys/SecureInfo_A</code> or <code>S:/rw/sys/SecureInfo_B</code>
|Used to identify the console in some cases like the eShop.
|Sharing this means someone could impersonate your console to Nintendo, so don't post it in a public space!
|}