: Download the specific "Cactus" Eng ROM and the Xiaomi Flash Tool .
Eng ROM build is incompatible with your NVRAM or persist partition. Fix: Boot into recovery (stock Eng recovery → Wipe data/factory reset and Wipe cache ). If persists, reflash with Format All + Download (this will erase IMEI, so have backup ready). Xiaomi Redmi 6 6A Cactus Eng Rom
Common problems and troubleshooting
: It is the primary tool for fixing "NV Data is Corrupted" errors or restoring lost IMEI numbers after an EMMC change. : Download the specific "Cactus" Eng ROM and