Hycon OS v4.0 non OSS for Poco X3 NFC (Surya) Android 11

July 21, 2021 | By androidhowto@youtube | Filed in: Custom ROM.

How to install Hycon OS v4.0 Unofficial for POCO X3 NFC (Surya) Android 11. Changelogs: Merged July Security bulletin resolutions.=, Added Edge Music Control Gesture, Added ShapeShift Volume Panel Style, Added P404 Volume Panel, dded Android S & S(dp3) lockscreen Clocks, Android S clocks will change colours according to lockscreen wallpaper, Added Android S style switches, Added Gaming mode, Added Gaming mode tile,  Added Heads-up Blacklist & Stoplist options in hub, Added less boring Heads-up option, Fixed NPE when notification icon is empty, etc.  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 HyconOS_4.0_surya-11.0-20210714-1819-UNOFFICIAL.zip
  3. Download miui_SURYAGlobal_V12.0.9.0.QJGMIXM_7f83537667_10.0.zip
  4. Download latest open_gapps-arm64-11.0-nano-20210130-TEST.zip ( 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 )

Hycon OS v4.0 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 miui_SURYAGlobal_V12.0.9.0.QJGMIXM_7f83537667_10.0.zip, Swipe to confirm Flash
  5. Select Install – select HyconOS_4.0_surya-11.0-20210714-1819-UNOFFICIAL.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 open_gapps-arm64-11.0-nano-20210130-TEST.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!

Hycon OS v4.0 for Poco X3 NFC (Surya) Android 11
Watch this video on YouTube.

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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