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

 * Either of the following:
 * Luma3DS'  on the root of the SD card
 * fastboot3DS installed to FIRM partition(s)
 * The latest release of (the   file)

Section I - Hardware Test

 * -|Luma3DS=


 * 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) Place  in the root of your SD card
 * 2) Turn on your 3DS while holding to enter the fastboot3DS menu
 * 3) Select  ->   ->
 * 4) Press any button to start the test
 * 5) * The test will take around 30 minutes for an old model and around 45 for a new model
 * 6) ** 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
 * 7) When the test finishes, press any button to turn the console off and insert your SD into your computer
 * 8) Open the newly generated   file in a text editor, then scroll to the end and look at the line that says
 * 9) * If the number on this line is 0, your console's RAM is not the issue
 * 10) * 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