Sell the Redmi 6 Pro. The Snapdragon 625 is slow for modern apps. Buying a Poco F1 or Redmi Note 8 Pro is cheaper than paying a technician to flash an unlock file to this device.
is powered by the Snapdragon 625 chipset. Because it belongs to an older generation of Xiaomi devices, the "Anti-Rollback" (ARB) protection is a critical factor. Users must ensure that any "unlock file" or firmware they flash is compatible with their current ARB index; attempting to downgrade to an older, incompatible version can permanently disable the device. Conclusion Redmi 6 Pro Bootloader Unlock File
download Mi Unlock Tool from the official xiaomi.com or en.miui.com/unlock . Sell the Redmi 6 Pro