How to install Octavi OS 3.0 Official Android 12 on Poco X3 NFC – GAPPS 12. Maintained By @lostark13. Android 12 custom rom for Poco X3 Surya and Karna. Changelog: Initial Android 12 build (with SELinux Enforcing). Notes: Based on OSS Vendor, Permissive Build, Vanilla and Gapss variants. Miscellaneous Changes & Improvements. Use at your own risk, I’m not responsible for bricking your device.
Download and Terms
- Your phone must be Installed Custom Recovery. If not, you can read How to Install TWRP 3.5.2 Xiaomi POCO X3 NFC – Permanent
- Download OctaviOS-v3.0-surya-20211022-1417-VANILLA-Official.zip
- Download fw_surya_miui_SURYAGlobal_V12.5.1.0.RJGMIXM_e3b8205e7f_11.0.zip
- Download BiTGApps-arm64-12.0.0-R39_signed.zip or latest ( GAPPS 12 )
- Download Magisk: Magisk-v23.0.apk or latest rename it to Magisk-v23.0.zip ( if necessary )
- Copy ROM to SD Card ( Recommended )
Octavi OS 3.0 Install Instructions on POCO X3 NFC:
- 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.
- First Important Step is to Backup (though depends on you if you wanna be safe or no )
- Select Wipe – Advanced ( Dalvik, Cache, Data ), Swipe to wipe
- Select Install – select OctaviOS-v3.0-surya-20211022-1417-VANILLA-Official.zip, Swipe to confirm Flash
- Select Wipe – Format Data – type “yes” and confirm ( Optional )
- Select Reboot – System
- 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 BiTGApps-arm64-12.0.0-R39_signed.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!
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!
- Use at your own risk, I’m not responsible for bricking your device.
- Using the incorrect file may brick your device.
- Make sure to backup your important data before root it.