Redmi 7a Flash File ^new^
Do not attempt to flash a significantly older version of Android if your phone has already received a newer security patch update. Xiaomi devices have Anti-Rollback protection that prevents downgrading past a certain security index (Anti-Rollback Index). Attempting to force a downgrade on an ARB-protected device can the phone (EDL may no longer work).
: Xiaomi has stopped providing new security patches for this device; flashing the latest official file still leaves the phone on an older security level. redmi 7a flash file