Steps:
i read ROM_0 from live device (read back), Start Address: 0x0, Length: 0xAB800000 (partition_index: SYS22, partition_name: cache),
write to dead device (write memory), Begin Address: 0x0
and write pleloader (preloader_k97.bin) from backup (ac97cplv2),
after full wipe with Infinity CM2 MTK 1.58 (CM2MT2 not boot ), device unbricked