Do you remember the debug card AGING-NTR also known as NTR-EVA which had some tests for the NDS?
CTRAging, the 3DS equivalent to AGING-NTR, is an app used for testing the hardware at the factory, before it is approved for selling.
And after the tests, it uninstalls itself as well as other test apps, such as DevMenu.
However, uninstall isn't equal to fully deleted from NAND, that means:
YOU PROBABLY...
[Request] CTRAging (3ds debug app) research.
CTRAging, the 3DS equivalent to AGING-NTR, is an app used for testing the hardware at the factory, before it is approved for selling.
And after the tests, it uninstalls itself as well as other test apps, such as DevMenu.
However, uninstall isn't equal to fully deleted from NAND, that means:
YOU PROBABLY...
[Request] CTRAging (3ds debug app) research.