¯\_(ツ)_/¯
Check if your SD card is fake, faulty, or dying.
Copy everything off the SD card to a computer.
Quadruple reformat.
Full Write + Verify the empty card in H2testw. Do not skip.
On a different SD card repeat steps 1-3 to make sure this second card is a good one, build a basic test...
¯\_(ツ)_/¯
6. Re-hack it by ntrboot (compatible DS flashcart required).
Try clearing the SD card slot reader of any dust contamination with a drinking straw through suction. Don't blow air in with your mouth because spit is corrosive to the pins. Try cleaning the card's contacts with a q-tip +...
Maybe you have a bad rom dump?
Install 7-Zip, right mouse click the .NDS rom → CRC SHA → CRC-32. Verify that the file's hash value matches one of the known good scene releases.
There are many regional and revision update re-releases of Pokemon - Black 2. You'll have to manually search the...
@KleinesSinchen, wear gloves when removing corrosion with a mini metal wire brush or rolled up piece of sand paper. Clean until the metal surfaces are shiny. Disconnect both terminals when brushing or sanding. For extra safety, mask/duck tape both battery connectors.
Dielectric grease comes in...
NO$GBA compresses the save format in its default setting.
NDS Save Transfer List
See the example in that above thread's post #18.
https://shunyweb.info/convert.php
NDS Save File Converter v2.6 ALPHA
Mods, move this to 3DS - Flashcards & Custom Firmwares.
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Check if your SD card is fake, faulty, or dying.
Copy everything off the SD card to a computer.
Quadruple reformat.
Full Write + Verify the empty card in H2testw. Do not skip.
Reasons why a newly installed 3DS game crashes or won't launch.
.cia error! ← Refer to this thread as an additional example.
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Japanese ACNL isn't working.
An exception occurred arm11 core 0
I feel like school, back when I was actually in school, was more entertaining though, because of how much I get to interact with people, hang out with friends, and other stuff like that. All I get to talk to at work is my boring coworkers lol