Why not to remove custom firmware: Difference between revisions

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Sending console in for repairs
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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.


== TL;DR ==
== The Short Version ==
* It probably isn't why your game is broken.
* It probably isn't why your game is broken.
* It probably isn't why some part of your console is broken.
* It probably isn't why some part of your console is broken.
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* 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.
* 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.
* It isn't going to cause you to get banned on its own. Don't cheat in online games.
* It isn't going to cause you to get banned on its own. Don't cheat in online games.
* If you are selling the console, it might be a good idea, but you should check first.
* If you are selling the console, it might be a good idea to remove it then, but you should check first.
* If you are sending in the console to Nintendo for repair, it might also be a good idea.


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This is often considered the only real case to remove custom firmware. A buyer may not be willing to accept any kind of homebrew, or the platform may remove listings for modified consoles. Notably, eBay does this if a mention of homebrew is on the listing.
This is often considered the only real case to remove custom firmware. A buyer may not be willing to accept any kind of homebrew, or the platform may remove listings for modified consoles. Notably, eBay does this if a mention of homebrew is on the listing.


Sometimes a workaround to prevent removal may be to not mention it, but include telltale signs of custom firmware in pictures (e.g. the "Sys" string in System Settings). You may not be willing to risk it however, so removing may be the best option. In this case, you should be careful to not leave remnants that can cause problems on stock, including modified system titles. In particular, make sure the following components work:
Sometimes a workaround to prevent removal may be to not mention it, but include telltale signs of custom firmware in pictures (e.g. the "Sys" string in System Settings). You may not be willing to risk it however, so removing may be the best option. In this case, you should be careful to not leave remnants that can cause problems on stock, including modified system titles. In particular, make sure the following components work when the console is booted with stock firmware:
* Console boots with stock firmware
* Nintendo 3DS Camera app
* Nintendo 3DS Camera app
* Health & Safety Information app
* Health & Safety Information app
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* DS Internet Settings
* DS Internet Settings
* DS Profile Settings (launching and attempting to enter in a name)
* DS Profile Settings (launching and attempting to enter in a name)
== Sending console in for repairs ==
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.
Keep in mind that Nintendo is slowly discontinuing repairs for 3DS models. As of February 24, 2022, Nintendo no longer repairs the Old 3DS, Old 3DS XL, or New 3DS (non-XL).


[[Category:Nintendo 3DS]]
[[Category:Nintendo 3DS]]

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