RSS No OFW, and semi-stock gives black screen

GBATEMP

Member
Dec 15, 2024
2,321
0
I bought recently modded OLED. EMUMMC (CFW) works great on 20.1.5 but I can't launch sysmmc SYSMMC (semi-stock) and can't see OFW. Seller told me that he upgraded to 21 and it needs to be fixed but after 3 days of reading I still don't know where to start. Removing SD card and replacing data using HATS (plus firmware update to 21 using daybreak) will be enough? Or I can make the situation worse? Are there any benefit of using official software except playing online and buying legal games?

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