3DS:Why not to remove custom firmware - Revision history

Ihaveahax: Marked this version for translation

2026-07-15T03:00:30Z

Marked this version for translation

← Older revision		Revision as of 03:00, 15 July 2026
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	==The Short Version== <!--T:2-->		==The Short Version== <!--T:2-->
	</translate>		</translate>
	<translate>[[3DS:Luma3DS\|Luma3DS]] is probably your custom firmware. In this case:</translate>		<translate><!--T:38--> [[3DS:Luma3DS\|Luma3DS]] is probably your custom firmware. In this case:</translate>
	*<translate><!--T:3--> It probably isn't why your game is broken.</translate>		*<translate><!--T:3--> It probably isn't why your game is broken.</translate>
	*<translate><!--T:4--> It probably isn't why some part of your console is broken.</translate>		*<translate><!--T:4--> It probably isn't why some part of your console is broken.</translate>
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	CFW has become exceptionally safe to use on the 3DS over the years, both during and after setup: It is nearly impossible to brick your console on accident. [[3DS:GodMode9\|GodMode9]], the most common tool for interacting with the 3DS NAND, requires unlocking the write protection with a button combination when you are about to do something that could cause damage. The button combination requires deliberate inputs and is impossible to do by accident.		CFW has become exceptionally safe to use on the 3DS over the years, both during and after setup: It is nearly impossible to brick your console on accident. [[3DS:GodMode9\|GodMode9]], the most common tool for interacting with the 3DS NAND, requires unlocking the write protection with a button combination when you are about to do something that could cause damage. The button combination requires deliberate inputs and is impossible to do by accident.

			<!--T:39-->
	Moreover, GodMode9 contains integrated repair features and allows you to run useful tools for troubleshooting and repairing your console software: If your console is already "bricked", removing CFW will prevent you using them to find and resolve the console's possible problems.		Moreover, GodMode9 contains integrated repair features and allows you to run useful tools for troubleshooting and repairing your console software: If your console is already "bricked", removing CFW will prevent you using them to find and resolve the console's possible problems.

Ihaveahax: wrong preposition

2026-07-15T02:59:49Z

wrong preposition

← Older revision		Revision as of 02:59, 15 July 2026
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	<!--T:19-->		<!--T:19-->
	The last update to break Luma3DS was 11.14.0-46, released in November 2020. The last one before that was 11.8.0-41, released on July 2018.		The last update to break Luma3DS was 11.14.0-46, released in November 2020. The last one before that was 11.8.0-41, released in July 2018.

	==Concerns about data loss== <!--T:20-->		==Concerns about data loss== <!--T:20-->

Ihaveahax: fix tvar name

2026-07-15T02:56:13Z

fix tvar name

← Older revision		Revision as of 02:56, 15 July 2026
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	<!--T:22-->		<!--T:22-->
	CFW provides access to tools to make your own backups of your games, their saves, and the system's internal storage (the NAND). These allow for better backups than what Nintendo normally allows. For example, if your console is ever lost or broken, everything can be manually migrated to a replacement console. SD card data can be migrated if you have the <tvar name="movable.sed">{{Code\|movable.sed}}</tvar> from the original console, which is inside the <tvar name="essential.exefs">{{Code\|essential.exefs}}</tvar> made during setup. NAND data (e.g. Friend List, Mii Maker, StreetPass Mii Plaza) can be transferred from a NAND backup.		CFW provides access to tools to make your own backups of your games, their saves, and the system's internal storage (the NAND). These allow for better backups than what Nintendo normally allows. For example, if your console is ever lost or broken, everything can be manually migrated to a replacement console. SD card data can be migrated if you have the <tvar name="movable-sed">{{Code\|movable.sed}}</tvar> from the original console, which is inside the <tvar name="essential-exefs">{{Code\|essential.exefs}}</tvar> made during setup. NAND data (e.g. Friend List, Mii Maker, StreetPass Mii Plaza) can be transferred from a NAND backup.

	==Concerns about bans== <!--T:23-->		==Concerns about bans== <!--T:23-->

Ihaveahax: can't be banned from Nintendo Network if there is no Nintendo Network

2026-07-15T02:54:10Z

can't be banned from Nintendo Network if there is no Nintendo Network

← Older revision		Revision as of 02:54, 15 July 2026
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	*<translate><!--T:5--> It will not permanently break your console: The worst that would happen is that Luma3DS needs updating (that's the {{code\|boot.firm}} file on your SD card).</translate>		*<translate><!--T:5--> It will not permanently break your console: The worst that would happen is that Luma3DS needs updating (that's the {{code\|boot.firm}} file on your SD card).</translate>
	*<translate><!--T:6--> It will not delete all your saves; in fact, it provides tools to back them up, which makes them safer than stock firmware could.</translate>		*<translate><!--T:6--> It will not delete all your saves; in fact, it provides tools to back them up, which makes them safer than stock firmware could.</translate>
	*<translate><!--T:7--> It will not cause you to get banned on its own, but don't cheat in online games.</translate>
	*<translate><!--T:8--> If you are selling the console, it might be a good idea to remove it then, but you should check first.</translate>		*<translate><!--T:8--> If you are selling the console, it might be a good idea to remove it then, but you should check first.</translate>
	*<translate><!--T:9--> If you are sending in the console to Nintendo for repair, it might also be a good idea.</translate>		*<translate><!--T:9--> If you are sending in the console to Nintendo for repair, it might also be a good idea.</translate>
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	==Concerns about bans== <!--T:23-->		==Concerns about bans== <!--T:23-->

	~~<!--T:24-->~~
	~~Nintendo does not focus on 3DS security anymore, as thousands of people use custom firmware on their consoles without issue. Bans are the most likely when cheats are used in public online rooms.~~

	<!--T:25-->		<!--T:25-->
	~~Moreover,~~ Nintendo has shut down online play and services for the 3DS ~~on the 8th of~~ April, 2024: There is be nothing to be banned from anymore.		Nintendo has shut down online play and services for the 3DS in April 2024. There is be nothing to be banned from anymore.

	<!--T:26-->		<!--T:26-->

Ihaveahax: nintendo will never update the 3DS again; reorder paragraphs; simply dates

2026-07-15T02:51:20Z

nintendo will never update the 3DS again; reorder paragraphs; simply dates

← Older revision		Revision as of 02:51, 15 July 2026
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	<!--T:17-->		<!--T:17-->
	CFW has become exceptionally safe to use on the 3DS over the years, both during and after setup: It is nearly impossible to brick your console on accident. [[3DS:GodMode9\|GodMode9]], the most common tool for interacting with the 3DS NAND, requires unlocking the write protection with a button combination when you are about to do something that could cause damage. The button combination requires deliberate inputs and is impossible to do by accident.		CFW has become exceptionally safe to use on the 3DS over the years, both during and after setup: It is nearly impossible to brick your console on accident. [[3DS:GodMode9\|GodMode9]], the most common tool for interacting with the 3DS NAND, requires unlocking the write protection with a button combination when you are about to do something that could cause damage. The button combination requires deliberate inputs and is impossible to do by accident.

	Moreover, GodMode9 contains integrated repair features and allows you to run useful tools for troubleshooting and repairing your console software: If your console is already "bricked", removing CFW will prevent you using them to find and resolve the console's possible problems.		Moreover, GodMode9 contains integrated repair features and allows you to run useful tools for troubleshooting and repairing your console software: If your console is already "bricked", removing CFW will prevent you using them to find and resolve the console's possible problems.

	<!--T:18-->		<!--T:18-->
	If Nintendo ~~ever~~ releases ~~a new system~~ update, ~~there is a chance that Luma3DS will be incompatible with it: It is not a brick as it prevents~~ the ~~complete boot~~ of ~~Luma3DS, but does not break other tools such as GodMode9. Usually a new release is made in about a day and can be fixed by replacing <tvar name="boot.firm">{{code\|boot.firm}}</tvar> on~~ the ~~SD card~~.		Nintendo no longer releases updates for the 3DS. The last update was released in May 2023, shortly after the shutdown of the eShop.

	<!--T:19-->		<!--T:19-->
	The last update to break Luma3DS was 11.14.0-46, released ~~on 17th of~~ November, 2020. The last one before that was 11.8.0-41, released on ~~30th~~ July, 2018.		The last update to break Luma3DS was 11.14.0-46, released in November 2020. The last one before that was 11.8.0-41, released on July 2018.

	==Concerns about data loss== <!--T:20-->		==Concerns about data loss== <!--T:20-->
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	<translate>		<translate>
	==Sending console in for repairs== <!--T:35-->		==Sending console in for repairs== <!--T:35-->

			<!--T:37-->
			As of June 2026, ''Nintendo of America'' only repairs the New 2DS XL, while ''Nintendo of Japan'' and ''Nintendo of Europe'' no longer repair any models.

	<!--T:36-->		<!--T:36-->
	Nintendo might not like receiving a console with [[3DS:boot9strap\|boot9strap]] on it, so removing custom firmware temporarily would be a good idea. In this case you should make backups of the NAND, as Nintendo does not repair consoles, they replace them instead.		Nintendo might not like receiving a console with [[3DS:boot9strap\|boot9strap]] on it, so removing custom firmware temporarily would be a good idea. In this case you should make backups of the NAND, as Nintendo does not repair consoles, they replace them instead.

	~~<!--T:37-->~~
	~~As of June 2026, ''Nintendo of America'' only repairs the New 2DS XL, while ''Nintendo of Japan'' and ''Nintendo of Europe'' no longer repair any models.~~
	</translate>		</translate>

	[[Category:Nintendo 3DS{{#translation:}}]]		[[Category:Nintendo 3DS{{#translation:}}]]

Cominou at 13:17, 14 July 2026

2026-07-14T13:17:27Z

← Older revision		Revision as of 13:17, 14 July 2026
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	<!--T:22-->		<!--T:22-->
	CFW provides access to tools to make your own backups of your games, their saves, and the system's internal storage (the NAND). These allow for better backups than what Nintendo normally allows. For example, if your console is ever lost or broken, everything can be manually migrated to a replacement console. SD card data can be migrated if you have the <tvar name="movable.sed">{{Code\|movable.sed}}</tvar> from the original console, which is inside the <tvar name="essential.exefs">{{{Code\|essential.exefs}}</tvar> made during setup. NAND data (e.g. Friend List, Mii Maker, StreetPass Mii Plaza) can be transferred from a NAND backup.		CFW provides access to tools to make your own backups of your games, their saves, and the system's internal storage (the NAND). These allow for better backups than what Nintendo normally allows. For example, if your console is ever lost or broken, everything can be manually migrated to a replacement console. SD card data can be migrated if you have the <tvar name="movable.sed">{{Code\|movable.sed}}</tvar> from the original console, which is inside the <tvar name="essential.exefs">{{Code\|essential.exefs}}</tvar> made during setup. NAND data (e.g. Friend List, Mii Maker, StreetPass Mii Plaza) can be transferred from a NAND backup.

	==Concerns about bans== <!--T:23-->		==Concerns about bans== <!--T:23-->

Cominou: wikify + slight gr+voc overhaul + missing part on GodMode9 uses

2026-07-14T13:15:37Z

wikify + slight gr+voc overhaul + missing part on GodMode9 uses

Show changes

Ihaveahax: NoA dropped repairs for all but New 2DS XL

2026-07-08T00:59:57Z

NoA dropped repairs for all but New 2DS XL

← Older revision		Revision as of 00:59, 8 July 2026
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	<!--T:37-->		<!--T:37-->
	~~Keep in mind that Nintendo is slowly discontinuing repairs for 3DS models.~~ As of ~~August 2025~~, Nintendo of America ~~no longer~~ repairs the ~~Old 3DS, Old 3DS XL, New 3DS, or~~ New ~~3DS~~ XL. Nintendo of Japan no longer repairs any models.		As of June 2026, Nintendo of America only repairs the New 2DS XL. Nintendo of Japan no longer repairs any models.
	</translate>		</translate>

	[[Category:Nintendo 3DS{{#translation:}}]]		[[Category:Nintendo 3DS{{#translation:}}]]

Aep: Rewrite the repair sentence

2025-10-12T21:38:49Z

Rewrite the repair sentence

← Older revision		Revision as of 21:38, 12 October 2025
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	<!--T:36-->		<!--T:36-->
	Nintendo might not like receiving a console with boot9strap on it, so removing custom firmware temporarily would be a good idea. In this case you should make backups of the NAND ~~in the (guaranteed) event that~~ Nintendo ~~sends back a new console~~ instead ~~of repairing your existing one~~.		Nintendo might not like receiving a console with boot9strap on it, so removing custom firmware temporarily would be a good idea. In this case you should make backups of the NAND, as Nintendo does not repair consoles, they replace them instead.

	<!--T:37-->		<!--T:37-->

Aep: Nintendo never repairs consoles, they just replace.

2025-10-12T21:26:58Z

Nintendo never repairs consoles, they just replace.

← Older revision		Revision as of 21:26, 12 October 2025
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	<languages/>		<languages />

	<translate>		<translate>
	<!--T:1-->		<!--T:1-->
	Removing custom firmware (CFW) from a 3DS is not recommended for most cases.		Removing custom firmware (CFW) from a 3DS is not recommended for most cases.

	== The Short Version == <!--T:2-->		==The Short Version== <!--T:2-->
	</translate>		</translate>

	* <translate><!--T:3--> It probably isn't why your game is broken.</translate>		*<translate><!--T:3--> It probably isn't why your game is broken.</translate>
	* <translate><!--T:4--> It probably isn't why some part of your console is broken.</translate>		*<translate><!--T:4--> It probably isn't why some part of your console is broken.</translate>
	* <translate><!--T:5--> It isn't going to permanently break your console. The worst that would happen is Luma3DS needs updating (that's the {{code\|boot.firm}} file on your SD card).</translate>		*<translate><!--T:5--> It isn't going to permanently break your console. The worst that would happen is Luma3DS needs updating (that's the {{code\|boot.firm}} file on your SD card).</translate>
	* <translate><!--T:6--> It isn't going to delete all your saves; in fact, it provides tools to back up to make them extra safer than stock firmware can.</translate>		*<translate><!--T:6--> It isn't going to delete all your saves; in fact, it provides tools to back up to make them extra safer than stock firmware can.</translate>
	* <translate><!--T:7--> It isn't going to cause you to get banned on its own. Don't cheat in online games.</translate>		*<translate><!--T:7--> It isn't going to cause you to get banned on its own. Don't cheat in online games.</translate>
	* <translate><!--T:8--> If you are selling the console, it might be a good idea to remove it then, but you should check first.</translate>		*<translate><!--T:8--> If you are selling the console, it might be a good idea to remove it then, but you should check first.</translate>
	* <translate><!--T:9--> If you are sending in the console to Nintendo for repair, it might also be a good idea.</translate>		*<translate><!--T:9--> If you are sending in the console to Nintendo for repair, it might also be a good idea.</translate>

	__TOC__		__TOC__
	<translate>		<translate>
	== Fixing a broken game == <!--T:10-->		==Fixing a broken game== <!--T:10-->

	<!--T:11-->		<!--T:11-->
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	There are a few edge cases where games can break due to CFW settings. In particular, a few games crash on New 3DS if 804MHz and L2 cache are enabled. Usually these can be worked around by temporarily disabling the setting that is breaking the game.		There are a few edge cases where games can break due to CFW settings. In particular, a few games crash on New 3DS if 804MHz and L2 cache are enabled. Usually these can be worked around by temporarily disabling the setting that is breaking the game.

	== Fixing broken system applications == <!--T:14-->		==Fixing broken system applications== <!--T:14-->

	<!--T:15-->		<!--T:15-->
	Sometimes a built-in part of the firmware might stop working for some reason. Assuming the system was not updated to a point where Luma3DS is currently not compatible, keeping CFW would mean you can fix the corruption, usually with a CTRTransfer. Removing CFW will probably keep the system in a broken state with no way to fix it without ntrboot.		Sometimes a built-in part of the firmware might stop working for some reason. Assuming the system was not updated to a point where Luma3DS is currently not compatible, keeping CFW would mean you can fix the corruption, usually with a CTRTransfer. Removing CFW will probably keep the system in a broken state with no way to fix it without ntrboot.

	== Concerns about bricks == <!--T:16-->		==Concerns about bricks== <!--T:16-->

	<!--T:17-->		<!--T:17-->
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	The last update to break Luma3DS was 11.14.0-46, released 17 November 2020. The last one before that was 11.8.0-41, released 30 July 2018.		The last update to break Luma3DS was 11.14.0-46, released 17 November 2020. The last one before that was 11.8.0-41, released 30 July 2018.

	== Concerns about data loss == <!--T:20-->		==Concerns about data loss== <!--T:20-->

	<!--T:21-->		<!--T:21-->
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	CFW provides access to tools to make your own backups of your games, their saves, and the system's internal storage (aka NAND). These allow for better backups than what Nintendo normally allows. For example if your console is ever lost or broken, everything can be manually migrated to a replacement console. SD card data can be migrated if you have {{Code\|movable.sed}} from the original console, which is inside {{Code\|essential.exefs}} made during setup. NAND data (e.g. Friend List, Mii Maker, StreetPass Mii Plaza) can be transferred from a NAND backup.		CFW provides access to tools to make your own backups of your games, their saves, and the system's internal storage (aka NAND). These allow for better backups than what Nintendo normally allows. For example if your console is ever lost or broken, everything can be manually migrated to a replacement console. SD card data can be migrated if you have {{Code\|movable.sed}} from the original console, which is inside {{Code\|essential.exefs}} made during setup. NAND data (e.g. Friend List, Mii Maker, StreetPass Mii Plaza) can be transferred from a NAND backup.

	== Concerns about bans == <!--T:23-->		==Concerns about bans== <!--T:23-->

	<!--T:24-->		<!--T:24-->
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	In the past, there was one well-documented ban wave: when Pokémon Sun and Moon leaked online, some people downloaded it and used its online services before release. Bans were given to those who had done so.		In the past, there was one well-documented ban wave: when Pokémon Sun and Moon leaked online, some people downloaded it and used its online services before release. Bans were given to those who had done so.

	== Selling console == <!--T:27-->		==Selling console== <!--T:27-->

	<!--T:28-->		<!--T:28-->
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	</translate>		</translate>

	* <translate><!--T:30--> Nintendo 3DS Camera app</translate>		*<translate><!--T:30--> Nintendo 3DS Camera app</translate>
	* <translate><!--T:31--> Health & Safety Information app</translate>		*<translate><!--T:31--> Health & Safety Information app</translate>
	* <translate><!--T:32--> DS Download Play</translate>		*<translate><!--T:32--> DS Download Play</translate>
	* <translate><!--T:33--> DS Internet Settings</translate>		*<translate><!--T:33--> DS Internet Settings</translate>
	* <translate><!--T:34--> DS Profile Settings (launching and attempting to enter in a name)</translate>		*<translate><!--T:34--> DS Profile Settings (launching and attempting to enter in a name)</translate>

	<translate>		<translate>
	== Sending console in for repairs == <!--T:35-->		==Sending console in for repairs== <!--T:35-->

	<!--T:36-->		<!--T:36-->
	Nintendo might not like receiving a console with boot9strap on it, so removing custom firmware temporarily would be a good idea. In this case you should make backups of the NAND in the event that Nintendo sends back a new console instead of repairing your existing one.		Nintendo might not like receiving a console with boot9strap on it, so removing custom firmware temporarily would be a good idea. In this case you should make backups of the NAND in the (guaranteed) event that Nintendo sends back a new console instead of repairing your existing one.

	<!--T:37-->		<!--T:37-->