LineageOS v21.0 OFFICIAL Poco X3 Android 14 ROM Update: 240826

August 27, 2024 | By androidhowto@youtube | Filed in: Custom ROM.

LineageOS v21.0 OFFICIAL Poco X3 Android 14 ROM Update: 240826.  Maintained By Shimitar | TheStrechh.  Changelog: Fix visualizer capture,  Add -N arg to apktool patching, port default HIDL service to AIDL,  generate deps even for blobs with DISABLE_CHECKELF,  cleanup shared library finding, use bundled llvm-objdump, Use vendorcompat protobuf for 3.9.1, Provide libstagefright_foundation-v33.  Use at your own risk, I’m not responsible for bricking your device.

Download LineageOS v21.0 for Poco X3

  1. Your phone must be Installed TWRP FBE v2. If not, you can read How to Install TWRP 3.7.0 12-2 FBEv2/FBEv1 Android 12/13 for Poco X3 Update: 20221127
  2. Download lineage-21.0-20240826-nightly-surya-signed.zip
  3. Download fw_surya_miui_SURYAGlobal_V14.0.2.0.SJGMIXM_9aaad01ef3_12.0.zip ( if necessary )
  4. Download NikGapps-core-arm64-14-20231107-signed.zip or latest
  5. Download Magisk: Magisk.apk or latest rename it to Magisk.zip ( if necessary )
  6. Copy ROM to SD Card ( Recommended )

Install Instructions LineageOS v21.0 for Poco X3

  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 Install – Select lineage-21.0-20240826-nightly-surya-signed.zip, Swipe to confirm Flash
  4. Select Install – select fw_surya_miui_SURYAGlobal_V14.0.2.0.SJGMIXM_9aaad01ef3_12.0.zip, Swipe to confirm Flash ( if necessary )
  5. Select Wipe – Format Data – type “yes” and confirm
  6. Select Advanced – Disable Force Encryption – Swipe to Confirm ( if necessary )
  7. Select Reboot – System
  8. Setup the Phone

How to Install GApps ( 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.
  • Select Install – select NikGapps-core-arm64-14-20231107-signed.zip, Swipe to confirm Flash
  • Select Reboot – System

How to Root ( 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.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!

LineageOS v21.0 OFFICIAL Poco X3 Android 14 ROM Update: 240826

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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