well i resolved it by myself not as easy though as all the problems occured due to a system bad installation aka corrupted firmware
i installed https://github.com/sthetix/NANDFixPro
i then proceed to level 1 restore following instructions.
Note that you must allow write in memory in order to...
Well it was on firmware 18 and i decided to update it while i was in emu-sys nand using the daybreak. What i foolish did without even checking if all works is to do a new emunand too now i boot to black screen in sysnand due to fuses mismatch and i got this crash while trying to boot in...
i have only the motherboard, but the point is to build something cheaper not something as pricey as onee with screen...
1768806599
really at this point , too much cost , i can get a switch oled tablet for their asked price and replace motherboard