So i made a mistake restored nand through Hekate 3.2 before having downgraded back to original firmware. The NAND was from 4.1.0 and i was in 5.1.0. I don't have any other Nand backup than the 4.1.0. I still have Auto-RCM (updated thru ChoidujourNX) and can still boot into Hekate.bin or SX OS...