Download the Xiaomi Mi Flash Tool Latest Version and USB Drivers on your PC. Follow the below Guide to install the firmware using the Mi Flash Tool. The Redmi 7a Run on Android 9.0 OS and Powered by a QCOM SD 439 Processor. credit If you are unsure of the causalities that may occur if the procedure goes wrong, then please DO NOT proceed.To do this, you will first need to install...