Mi 6x Firmware ((install))

: Can be updated via the "System Updates" menu by selecting "Choose update package" if you are already on a Chinese build. Custom/Global ROMs In TWRP, go to Wipe > Advanced Wipe and select Cache, Dalvik, and Data Transfer the ROM file to your phone's internal storage via USB (MTP). , select the ROM file, and swipe to confirm. Format Data

: Enthusiasts have developed ROMs based on much newer versions of Android, including Android 11 via RevengeOS 4.0 and even Android 14 via crDroid 10.9 . mi 6x firmware

Connect the phone to your PC. Open Mi Flash Tool. Click Refresh – your device should appear as a COM port. : Can be updated via the "System Updates"

: Official MIUI with no Google Services and Chinese/English only. Xiaomi.eu (Recommended) Format Data : Enthusiasts have developed ROMs based

You need unlocked bootloader + TWRP. Then wipe System, Data, Dalvik, Cache, flash ROM + GApps (if not included) + optional Magisk for root.