3DS:Hardware test

3ds_hw_test is a  application that tests a 3DS console's RAM for errors. There are plans to expand the test so it checks more types of hardware, but so far these plans are entirely a work-in-progress.

What You Need

 * boot9strap, GodMode9 or fastboot3DS installed to FIRM partition(s)
 * Luma3DS'  on the root of your SD card
 * The latest release of (the   file)

Section I - Hardware Test

 * -|ntrboot=
 * 1) Ensure you already have a flashcart with ntrboot flashed. If you haven't flashed your flashcart with ntrboot yet, refer to this page.
 * 2) Power off the console and insert your SD card into your computer.
 * 3) Copy   to the root of your SD card.
 * 4) Rename   to.
 * 5) Rename   to.
 * 6) Reinsert the SD card 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.
 * 9) * Note, 2DS users will not need a magnet, as their device cannot physically fold. Instead, move the sleep switch to the right.
 * 10) Press and hold START, then briefly press and hold the power button for 2 to 3 seconds.
 * 11) Your console should now be booted into 3ds_hw_test. If it did not boot and instead booted into the HOME menu, power off and try again. This can take a few attempts to get the magnet positioning correct.
 * 12) Press any button to start the test.
 * 13) * The test will take around 30 minutes for an old model and around 45 for a new model.
 * 14) ** If you are unsure what model the console is, look at the shoulder buttons - a new model has four (L), and an old model has two (L
 * 15) When the test finishes, press any button to turn the console off and insert your SD into your computer.
 * 16) Open the newly generated   file in a text editor, then scroll to the end and look at the line that says.
 * 17) * If the number on this line is 0, your console's RAM is not the issue.
 * 18) * If the number on this line is not 0, your console's RAM is dying and you need to either repair or replace the motherboard.
 * 19) Delete   and rename   to.


 * -|boot9strap=


 * 1) Power off the console and insert your SD card into your computer.
 * 2) Copy   to the root of your SD card.
 * 3) Rename   to.
 * 4) Rename   to.
 * 5) Reinsert the SD card into your console.
 * 6) Power on the console without pressing any other buttons.
 * 7) Press any button to start the test.
 * 8) * The test will take around 30 minutes for an old model and around 45 for a new model.
 * 9) ** If you are unsure what model the console is, look at the shoulder buttons - a new model has four (L), and an old model has two (L.
 * 10) When the test finishes, press any button to turn the console off and insert your SD into your computer.
 * 11) Open the newly generated   file in a text editor, then scroll to the end and look at the line that says.
 * 12) * If the number on this line is 0, your console's RAM is not the issue.
 * 13) * If the number on this line is not 0, your console's RAM is dying and you need to either repair or replace the motherboard.
 * 14) Delete   and rename   to.


 * -|fastboot3DS=


 * 1) Power off the console and insert your SD card into your computer.
 * 2) Copy   to the root of your SD card.
 * 3) Reinsert the SD card into your console.
 * 4) power on the console while holding  to enter the fastboot3DS menu.
 * 5) Select   ->   ->.
 * 6) Press any button to start the test.
 * 7) * The test will take around 30 minutes for an old model and around 45 for a new model.
 * 8) ** If you are unsure what model the console is, look at the shoulder buttons - a new model has four (L), and an old model has two (L.
 * 9) When the test finishes, press any button to turn the console off and insert your SD into your computer.
 * 10) Open the newly generated   file in a text editor, then scroll to the end and look at the line that says.
 * 11) * If the number on this line is 0, your console's RAM is not the issue.
 * 12) * If the number on this line is not 0, your console's RAM is dying and you need to either repair or replace the motherboard.


 * -|GodMode9=


 * 1) Power off the console and insert your SD card into your computer.
 * 2) Copy   to the   folder of your SD card.
 * 3) Reinsert the SD card into your console.
 * 4) power on the console while holding R to enter the GodMode9 bootloader menu.
 * 5) Select   ->.
 * 6) Press any button to start the test.
 * 7) * The test will take around 30 minutes for an old model and around 45 for a new model.
 * 8) ** If you are unsure what model the console is, look at the shoulder buttons - a new model has four (L), and an old model has two (L.
 * 9) When the test finishes, press any button to turn the console off and insert your SD into your computer.
 * 10) Open the newly generated   file in a text editor, then scroll to the end and look at the line that says.
 * 11) * If the number on this line is 0, your console's RAM is not the issue.
 * 12) * If the number on this line is not 0, your console's RAM is dying and you need to either repair or replace the motherboard.


 * -|Luma3DS=


 * 1) Power off the console and insert your SD card into your computer.
 * 2) Copy   to.
 * 3) Reinsert the SD card into your console.
 * 4) power on the console while holding  to open Luma3DS chainloader.
 * 5) * If you dont see Luma3DS chainloader, follow Restoring / Updating CFW and try again.
 * 6) * If you still don't see it follow the boot9strap tab above instead.
 * 7) Select.
 * 8) Press any button to start the test.
 * 9) * The test will take around 30 minutes for an old model and around 45 for a new model.
 * 10) ** If you are unsure what model the console is, look at the shoulder buttons - a new model has four (L), and an old model has two (L.
 * 11) When the test finishes, press any button to turn the console off and insert your SD into your computer.
 * 12) Open the newly generated   file in a text editor, then scroll to the end and look at the line that says.
 * 13) * If the number on this line is 0, your console's RAM is not the issue.
 * 14) * If the number on this line is not 0, your console's RAM is dying and you need to either repair or replace the motherboard.