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LineageOS 19 Android 12 for Samsung Galaxy A50s SM-A507FN – GSI ROM

How to Install LineageOS 19 Android 12 on Samsung Galaxy A50s SM-A507FN – GSI ROM. Brought to you by AndyYan. Complete guide Rooting, How to Fix screen flicker and How to Fix This device isn’t Play Protect certified. This Rom is test build. This is not suitable for daily use. Known bug: screen flicker, read below how to fix and root it. I just want to know about this ROM and not test all feature. Use at your own risk, I’m not responsible for bricking your device.

Download and Term

  1. Your phone must be Installed Custom Recovery for Android 10. If not, you can read How to Install TWRP 3.5.1 on Samsung Galaxy A50s SM-A507FN Android 11
  2. Download lineage-19.0-20211106-UNOFFICIAL-treble_arm64_bvS-vndklite.img.xz ( extract it to get img file )
  3. Download latest BiTGApps-arm64-12.0.0-R39_signed.zip or latest ( if necessary )
  4. Download phh’s-superuser-ab.zip
  5. Download phh_s_SuperUser_v1.0.3.3.apk
  6. Download androidhowto.txt
  7. Copy ROM and GApps to SD Card (recommended)

How to Install LineageOS 19 on Samsung Galaxy A50s:

  1. Enter TWRP Recovery Mode: Turn power off, Connect the phone with a USB cable, Press and hold Volume Up + Power Key, when Galaxy Logo appears release power key only, keep pressing volume up until TWRP Recovery Mode Appears.
  2. Select Wipe – Format data ( type “yes” and confirm )
  3. Select Wipe – Advanced wipe ( select “Dalvik, Cache, System” ) – Swipe to wipe
  4. Select Install – Install lineage-19.0-20211106-UNOFFICIAL-treble_arm64_bvS-vndklite.img – select “System Image” and Swipe to confirm flash
  5. Select Reboot – System

How to Fix Screen Flicker

Install GApps 12 if necessary

Rooting if necessary ( it may be not work )

Watch this Video!

If you want to uninstall this custom ROM and back to stock ROM, just flash the stock ROM to your device. Flashing stock ROM will also uninstall TWRP Recovery and it will back to stock Android Recovery.

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. If your target device has a custom firmware flash counter, Rooting will trigger it. If you’re lucky, Triangle Away has support for your device and can be used to reset the counter.
  4. If you have a KNOX-enabled device, flash custom rom and Rooting will trip the KNOX WARRANTY VOID status!
  5. If your device storage is encrypted, Rooting will wipe your data !
  6. If you have locked bootloaders, flashing one of these will probably brick your device – with the exception of Nexus devices, which will usually automatically “OEM unlock” and wipe your data !
  7. Make sure to backup your important data before root it.

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