Stuff OS V12.1.1 for POCO X3 NFC Android 10

September 10, 2021 | By androidhowto@youtube | Filed in: Custom ROM.

How to Install Stuff OS V12.1.1 on POCO X3 NFC Android 10. Maintained By @By @well_lv × @tonyst2. Changelogs: Even more clean, Miui 12.5 stock theme, Small changes in the user interface, Removed stock gapps, NikGapps included, Updated some apps, Removed unlock blur, Returned quick search box, Date and time instead of “control center”, Patched Installer (the ability to install system applications), The ability to install apk with different signatures, removed initial setting, removed super wallpapers and minor fixes. Use at your own risk, I’m not responsible for bricking your device.

Download and Terms

  1. Your phone must be Installed Custom Recovery. If not, you can read How to Install TWRP 3.5.2 Xiaomi POCO X3 NFC – Permanent
  2. Download StuffOS 12.1.1.0 Android10.zip
  3. Download Magisk: Magisk-v23.0.apk or latest rename it to Magisk-v23.0.zip ( if necessary )
  4. Copy ROM to SD Card ( Recommended )

Stuff OS V12.1.1 Install Instructions on POCO X3 NFC:

  1. Enter TWRP Recovery Mode: Turn Power off, Press and Hold Volume Up + Power key, When POCO logo appears release Power key only, keep pressing Volume Up until TWRP Recovery appears.
  2. First Important Step is to Backup (though depends on you if you wanna be safe or no )
  3. Select Wipe – Format Data – type “yes” and confirm ( Optional )
  4. Select Install – select StuffOS 12.1.1.0 Android10.zip, Swipe to confirm Flash
  5. Select Reboot – System
  6. Setup the Phone

Root Instructions if necessary

  • Enter TWRP Recovery
  • Install Magisk-v23.0.zip
  • Reboot to System
  • Connect Phone to Internet
  • Install Magisk app and Open it. Magisk will ask to do additional setups. Let it do its job and the app will automatically reboot your device.
  • Done

Watch This Video!

Stuff OS V12.1.1 for POCO X3 NFC Android 10

Enter TWRP Recovery

You can enter TWRP recovery with 2 methods: via adb command by type “adb reboot recovery” and by pressing keys combinations ( Turn power off, press and hold volume up + Power key, when POCO logo appears release power key, keep pressing volume until TWRP recovery appears )

Notes / Warning!

  1. Use at your own risk, I’m not responsible for bricking your device.
  2. Using the incorrect file may brick your device.
  3. Make sure to backup your important data before root it.


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