Octavi OS 2.8 OFFICIAL for Poco X3 NFC (Surya) Android 11

August 12, 2021 | By androidhowto@youtube | Filed in: Custom ROM.

How to install Octavi OS 2.8 OFFICIAL on Poco X3 NFC Android 11. Maintainer: By @lostark13. Changelog: Merged r40 August Security Patch,  Changed Lockscreen Font to Default, Added custom font support to third party apps, Introduced LiveDisplay, Added LiveDisplay Tile, Added ReadingMode Tile, Added AntiFlicker Tile, Added FaceUnlock Changing Method when Locked, Added Legacy WFD Output video mode Settings,  Added Octavi-OS Logo in Statusbar, Added FOD Animations and many more… 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 OctaviOS-v2.8-surya-20210811-1333-VANILLA-Official.zip
  3. Download fw_surya_miui_SURYAGlobal_V12.0.1.0.RJGMIXM_95126259ea_11.0.zip
  4. Download FlameGApps-11.0-basic-arm64-20210808.zip or Open GAPPS ( if necessary )
  5. Download Magisk: Magisk-v23.0.apk or latest rename it to Magisk-v23.0.zip ( if necessary )
  6. Copy ROM to SD Card ( Recommended )

Octavi OS 2.8 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 – Advanced ( Dalvik, Cache, Data ), Swipe to wipe
  4. Select Install – select fw_surya_miui_SURYAGlobal_V12.0.1.0.RJGMIXM_95126259ea_11.0.zip, Swipe to confirm Flash
  5. Select Install – select OctaviOS-v2.8-surya-20210811-1333-VANILLA-Official.zip, Swipe to confirm Flash
  6. Select Wipe – Format Data – type “yes” and confirm ( Optional )
  7. Select Reboot – System
  8. Setup the Phone

Install GApps if necessary

  • Enter TWRP Recovery Mode: Turn power off, Connect the phone with a USB cable, Press and hold Volume Up + Power Key until TWRP Recovery Mode Appears.
  • Select Install – select FlameGApps-11.0-basic-arm64-20210808.zip, Swipe to confirm Flash
  • Select Reboot – System

Root Instructions if necessary

  • 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.
  • 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!

Octavi OS 2.8 OFFICIAL for Poco X3 NFC (Surya) Android 11

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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