Firmware Redmi 9a Review
Boot phone into Fastboot mode (Volume Down + Power).
Rename the file to update.zip . Copy to root of SD card (not internal storage). Firmware REDMI 9A
Download Mi Flash Tool (latest version). Boot phone into Fastboot mode (Volume Down + Power)
Unlock bootloader (Xiaomi requires waiting 7–15 days). Apply via Mi Unlock Tool . Firmware REDMI 9A