The fastboot version of Xiaomi.eu is easy to install via PC and offers all functions, but only updates via PC.
The TWRP version from Xiaomi.eu comes with OTA updates, offers no compromises and requires a TWRP recovery.
The Global Firmware is the official global software from Xiaomi. Can be installed via Fastboot, but has one limitation.
To install a different firmware, a Xiaomi device has to be "unlocked" first. Here you can learn how.
If you want to sell your device, remove your Mi account thoroughly. You can find out how here.
Origin OS offers many languages, but it also has options and settings that you should know in order to use it perfectly.
With Morelocale 2 you get all installed Google Play Store apps in your preferred language.
If the internal updater app does not show the latest updates, Oxygen Updater does.
How to remove bloadware on any Android Smartphone, specially China Smartphones.
General tutorial on how to install Google Play Store on any device.
There are items for comparing.
There is items for comparing.