3DS:Bmbt3DS

Bmbt3DS

Developer(s)	Gruetzig
Console	Nintendo 3DS
Version	bmbt3DS V1.2 (June 4, 2024 (2024-06-04))
Links
GitHub	Gruetzig/bmbt3ds

bmbt3DS is a bare metal button testing .firm payload for the Nintendo 3DS. It can be used to test if all buttons on the console are functioning properly.

Instructions

What You Need

• boot9strap, GodMode9 or fastboot3DS installed to FIRM partition(s), or a ntrboot compatible flashcart
• Luma3DS' boot.firm on the root of your SD card
• The latest release of bmbt3DS (the bmbt3ds.firm file)

Section I - Running the Test

boot9strapfastboot3DSntrbootGodMode9Luma3DS chainloader

1. Power off your console
2. Remove the SD card from your console and insert it into your computer
3. Copy bmbt3ds.firm to the root of your SD Card
4. Rename boot.firm to luma.firm
5. Rename bmbt3ds.firm to boot.firm
6. Safely eject the SD card from your computer and reinsert it into your console
7. Power on the console without pressing any buttons
   

   Refer to the attached image for what parts of the screen will light up for each button pressed.

8. Press each button once, verifying that the corresponding button shows up on the top screen. If it does not show up, the button pressed may be faulty. If you see a constant white square for one button and you are not holding the button down, that button may be stuck and could be the source of some issues.
9. Once you are finished with the button tester, press the power button once to power off the console
10. Remove the SD card from your console and insert it into your computer
11. Delete boot.firm from the root of your SD card
12. Rename luma.firm to boot.firm
13. Safely eject the SD card from your computer and reinsert it into your console
14. Power on your console

If all went well, you have successfully tested the buttons on your console.

1. Power off your console
2. Remove the SD card from your console and insert it into your computer
3. Copy bmbt3ds.firm to the root of your SD Card
4. Safely eject the SD card from your computer and reinsert it into your console
5. Power on the console while holding HOME to enter the fastboot3DS menu
6. Select [+]Boot from file... -> sdmc: -> bmbt3ds.firm
   

   Refer to the attached image for what parts of the screen will light up for each button pressed.

7. Press each button once, verifying that the corresponding button shows up on the top screen. If it does not show up, the button pressed may be faulty. If you see a constant white square for one button and you are not holding the button down, that button may be stuck and could be the source of some issues.
8. Once you are finished with the button tester, press the power button once to power off the console
9. Remove the SD card from your console and insert it into your computer
10. Delete bmbt3ds.firm from the root of your SD card
11. Safely eject the SD card from your computer and reinsert it into your console
12. Power on your console

If all went well, you have successfully tested the buttons on your console.

If you do not have a flashcart compatible with ntrboot, please choose another option.

1. Power off your console
2. Remove the SD card from your console and insert it into your computer
3. Copy bmbt3ds.firm to the root of your SD Card
4. Rename boot.firm to luma.firm
5. Rename bmbt3ds.firm to boot.firm
6. Safely eject the SD card from your computer and reinsert it into your console
7. Insert the flashcart flashed with ntrboot into your console
8. Put the magnet into position to trigger the lid sensor. Refer to this image for reference
   • Note, 2DS users will not need a magnet, as their device cannot physically fold. Instead, move the sleep switch to the right
9. Press and hold START+SELECT+X, then briefly press and hold the power button for 2 to 3 seconds
10. Your console should now be booted into BMBT.
    • If it did not boot and instead booted into the HOME Menu or turned off immediately, power off your console and try again. You may need a few attempts to get the magnet positioning correct.

    Refer to the attached image for what parts of the screen will light up for each button pressed.

11. Press each button once, verifying that the corresponding button shows up on the top screen. If it does not show up, the button pressed may be faulty. If you see a constant white square for one button and you are not holding the button down, that button may be stuck and could be the source of some issues.
12. Once you are finished with the button tester, press the power button once to power off the console
13. Remove the SD card from your console and insert it into your computer
14. Delete boot.firm from the root of your SD card
15. Rename luma.firm to boot.firm
16. Safely eject the SD card from your computer and reinsert it into your console
17. Power on your console

If all went well, you have successfully tested the buttons on your console.

This section only applies to consoles with GodMode9 installed into FIRM0/1.

1. Power off your console
2. Remove the SD card from your console and insert it into your computer
3. Copy bmbt3ds.firm to the sd:/gm9/payloads folder on your SD card
4. Reinsert the SD card into your console
5. Power on the console while holding R+← to enter the GodMode9 bootloader menu
6. Select Select payload... -> bmbt3ds.firm
   

   Refer to the attached image for what parts of the screen will light up for each button pressed.

7. Press each button once, verifying that the corresponding button shows up on the top screen. If it does not show up, the button pressed may be faulty. If you see a constant white square for one button and you are not holding the button down, that button may be stuck and could be the source of some issues.
8. Once you are finished with the button tester, press the power button once to power off the console

If all went well, you have successfully tested the buttons on your console.

1. Power off your console
2. Remove the SD card from your console and insert it into your computer
3. Copy bmbt3ds.firm to the sd:/luma/payloads folder on your SD card
4. Reinsert the SD card into your console
5. Power on the console while holding START to open Luma3DS chainloader
   • If you dont see Luma3DS chainloader, follow Restoring / Updating CFW and try again
   • If you still don't see it, follow the boot9strap tab above instead
6. Select bmbt3ds.firm
   

   Refer to the attached image for what parts of the screen will light up for each button pressed.

7. Press each button once, verifying that the corresponding button shows up on the top screen. If it does not show up, the button pressed may be faulty. If you see a constant white square for one button and you are not holding the button down, that button may be stuck and could be the source of some issues.
8. Once you are finished with the button tester, press the power button once to power off the console

If all went well, you have successfully tested the buttons on your console.