Samsung Galaxy A50s: Havoc-OS v3.8 ROM Android 10 Q

September 17, 2020 | By androidhowto@youtube | Filed in: Custom ROM.

How to Install Havoc-OS 3.8 ROM on Samsung Galaxy A50s Android 10 Q. Havoc OS 3.8 ROM comes with ROM OS Android 10 Q offers more features, light and FingerPrint worked. It does not support voLTE and MTP, You can transfer file via TWRP recovery. This ROM Required: Installed TWRP Recovery. Version Information Status: Stable GSI ROM Havoc-OS-v3.8-20200821-Official-GApps-arm64-ab ( ARM64-AB ). Use at your own risk, I’m not responsible for bricking your device.


  1. Your phone must be Installed TWRP Recovery for Android 10. If not, you can read How to Install TWRP on Galaxy A50s Android 10 Q
  2. Download Havoc-OS-v3.8-20200821-Official-GApps-arm64-ab.img.xz Extract downloaded file to img using 7-zip
  3. Download Open GAPPS or latest ( If you need )
  4. Copy ROM img and GApps to SD Card

How to Install Havoc-OS 3.8 ROM on Samsung Galaxy A50s:

  1. Enter TWRP Recovery Mode: Turn power off; Press and hold Volume Up key + Power key, when samsung logo appears release power key only, keep pressing volume up until TWRP recovery appears
  2. Select Wipe – Format data ( type “yes” and confirm )
  3. Select Wipe – Advanced wipe ( select “Dalvik, Cache, System” ) – Swipe to wipe
  4. Copy image file to phone, ignore this if you have copied to SD card
  5. Select Install ( If image file in SD Card: Select Storage – Micro SD card – OK ) – Install Image – select Havoc-OS-v3.8-20200821-Official-GApps-arm64-ab.img – select “System Image” and Swipe to Confirm flash
  6. Select Reboot – System

Install GApps and Rooting if necessary

  • Enter TWRP Recovery
  • Select Wipe – Advanced Wipe ( select “System” ) – Repair or Change File System – Resize File System – Swipe to Resize
  • Select Mount – ( select “System, Vendor” ), Back to home
  • Select Install ( If file in SD Card: Select Storage – Micro SD card – OK ) – select Swipe to confirm Flash
  • Select Reboot – Recovery
  • Connect the phone to Internet wait for a moment
  • Install Magisk Manager. Magisk Manager will ask to do additional setups. Let it do its job and the app will automatically reboot your device.
  • Done! You can use Root Checker to check it, Enjoy!

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.

Watch this video:

Havoc-OS v3.8 GSI for Samsung Galaxy A50s Android 10 Q

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One comment on “Samsung Galaxy A50s: Havoc-OS v3.8 ROM Android 10 Q

  1. Hi Bro, Pls Post Custom OS For Samsung J8.
    I’m a Big Fan Of ur videos. I am having two devices one is A50s nd other one is J8. Your videos for A50s worked flawlessly I’ve tried and installed three os. Plz bro. When I install lineage os on J8 it does not boot into kernal. When I boot it goes straightly to download mode on logo itself. Plz bro plz that is my lucky phone. It was my mom’s. Plz bro.

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