LineageOS 19 UNOFFICIAL for Redmi 3S Android 12 Update: 220313

March 13, 2022 | By androidhowto@youtube | Filed in: Custom ROM.

LineageOS 19 UNOFFICIAL for Redmi 3S Android 12 Update: 220313. Maintained By @Krxyzn. Changelog: Initial Android 12 Land Build, February Security Patch. Build Info: Variant : Vanilla, Version : 19.0, Build Date : 13/03/22
Use at your own risk, I’m not responsible for bricking your device.

Download LineageOS 19 for Redmi 3S

  1. Your phone must be Installed Custom Recovery. If not, you can read How to Install TWRP on Redmi 3S
  2. Download lineage-19.0-20220313-UNOFFICIAL-land.zip
  3. Download BiTGApps-arm64-12.0.0-R44_signed.zip or latest ( if necessary )
  4. Copy ROM to SD Card ( Recommended )

TIPS: To Avoid fail when flashing ROM

Extract the ROM, go to folder “\META-INF\com\google\android”. Use notepad++ to edit file “updater-script” and remove this line below:

assert(getprop(“ro.product.device”) == “land” || getprop(“ro.build.product”) == “land” || abort(“E3004: This package is for device: land; this device is ” + getprop(“ro.product.device”) + “.”););

then Save it. Then compress it to zip file.

Install Instructions LineageOS 19 for Redmi 3S

  1. If you come from Stock ROM: Enter TWRP recovery: Turn Power off, Press and hold Volume Up + Power key for a while, when yellow menu screen appears select Recovery on the next screen select OK, you should in TWRP recovery
  2. If you come from custom ROM: Enter TWRP recovery: Turn power off, Press and hold volume UP + volume DOWN + Power Key together, when Mi logo appears release Power key only and keep pressing volume keys until TWRP recovery appears.
  3. Select Wipe – Format Data – type “yes” and confirm
  4. Select Wipe – Advanced ( Dalvik, Cache, Data, System ), Swipe to wipe
  5. Select Install – select lineage-19.0-20220313-UNOFFICIAL-land.zip, Swipe to confirm Flash
  6. Select Reboot – System

How to Install GApps ( if necessary )

  • Enter TWRP recovery: Turn power off, Press and hold volume UP + volume DOWN + Power Key together, when Mi logo appears release Power key only and keep pressing volume keys until TWRP recovery appears.
  • Select Install – select BiTGApps-arm64-12.0.0-R44_signed.zip, Swipe to confirm Flash
  • Select Reboot – System

How to Root ( if necessary )

  • Enter TWRP recovery: Turn power off, Press and hold volume UP + volume DOWN + Power Key together, when Mi logo appears release Power key only and keep pressing volume keys until TWRP recovery appears.
  • Install Magisk-v24.1.zip or latest
  • 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 19 UNOFFICIAL for Redmi 3S Android 12 Update: 220313
Watch this video on YouTube.

Enter TWRP Recovery

Enter TWRP recovery: Turn power off, Press and hold volume UP + volume DOWN + Power Key together, when Mi logo appears release Power key only and keep pressing volume keys 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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