How to Install Corvus OS v16.8 Avalon OFFICIAL for Poco X3 NFC (Surya) Android 11. Corvus is popular as Gaming ROM and support most android devices. Corvus OS a ROM with many useful & required Customizations. Corvus OS is based on Android Opensource Project (AOSP). This Corvus OS ROM is maintained by Sambit. Features: Theme, Notification, Lockscreens, Status Bar and Display. 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 Corvus_v16.8-Avalon-surya-18082021-OFFICIAL-0949.zip
- Download fw_surya_miui_SURYAGlobal_V12.0.1.0.RJGMIXM_95126259ea_11.0.zip
- Download FlameGApps-11.0-basic-arm64-20210808.zip or Open GAPPS ( if necessary )
- Download Magisk: Magisk-v23.0.apk or latest rename it to Magisk-v23.0.zip ( if necessary )
- Copy ROM to SD Card ( Recommended )
Corvus OS v16.8 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 fw_surya_miui_SURYAGlobal_V12.0.1.0.RJGMIXM_95126259ea_11.0.zip, Swipe to confirm Flash
- Select Install – select Corvus_v16.8-Avalon-surya-18082021-OFFICIAL-0949.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 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!
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.