There are four ways Xiaomi update:
If you want to install a Xiaomi update using recovery – download the official update, reboot your phone or tablet into recovery mode and click “Install update from SD card”.
With the system update tool you can flash full Xiaomi firmware, download it here:
and save it into internal storage, go to the settings – about phone – system update – choose update package – select downloaded rom, press “OK” and wait for the end of updating.
OS Android is the most popular operating system in the world. It’s all because the most of smartphones, tablets and other gadgets are running by Android OS. The resource play.google.com is a storage for millions of applications and games to suit all tastes. However, these applications and games usually adapted for a particular version of OS (mainly new). That why It’s becoming necessary to know how to update Android firmware.
First to understand how to update Android version, you need to:
Update your smartphone or tablet with the system automatically update tool:
In the process of updating Android you may need advanced system settings.Read more
If you want to flash stock firmware for Xiaomi Redmi using Fastboot – download and unpack ADB&Fastboot, install Drivers. How to flash stock firmware Xiaomi Redmi using Fastboot instruction is here (you need to unlock the Xiaomi bootloader).