LineageOS 18.0 Android 11 for Samsung Galaxy A30 / M20 / M30 / A40 Update: 20201206

December 7, 2020 | By androidhowto@youtube | Filed in: Custom ROM.

How to Install LineageOS 18.0 Android 11 on Samsung Galaxy A30 / M20 / M30 / A40 Update: 20201206. LineageOS is based on the Android Open Source Project with extra contributions from many people within the Android community. Brought to you by by Samar Vispute.  This ROM Required: Installed TWRP Recovery. Use at your own risk, I’m not responsible for bricking your device.

Download Links

  1. LineageOS 18 for Galaxy M20 Download
  2. LineageOS 18 for Galaxy M30 Download
  3. LineageOS 18 for Galaxy A30 Download
  4. LineageOS 18 for Galaxy A40 Download

How to Install LineageOS 18.0 on Samsung Galaxy A30 only:

  1. Your phone must be Installed TWRP Recovery, If not Read How to Flash TWRP and Root Samsung Galaxy A30
  2. Download lineage-18.0-20201206_134506-UNOFFICIAL-SamarV-121-a30.zip
  3. Download NikGapps-basic-arm64-11-20201025-signed.zip or latest ( if necessary )
  4. Download boot_a30_v14.6_by_minhker98.img
  5. Copy ROM, GApps and Kernel to SD Card (recommended)

How to Install LineageOS 18.0 on Samsung Galaxy A30:

  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 file in SD Card: Select Storage – Micro SD card – OK ) – select lineage-18.0-20201206_134506-UNOFFICIAL-SamarV-121-a30.zip, Swipe to confirm Flash
  6. Select Install – Install Image – select boot_a30_v14.6_by_minhker98.img – select “Boot” and Swipe to confirm flash
  7. Select Reboot – System

Install GApps if necessary

  • Enter TWRP Recovery
  • Select Install ( If file in SD Card: Select Storage – Micro SD card – OK ) – select NikGapps-basic-arm64-11-20201025-signed.zip, Swipe to confirm Flash
  • Select Reboot – System

Rooting Magisk v21.0 worked on Galaxy A30

  • Enter TWRP Recovery
  • Select Install ( If file in SD Card: Select Storage – Micro SD card – OK ) – select Magisk-v21.0.zip, Swipe to confirm Flash
  • Select Reboot – System
  • Connect to Internet
  • 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!

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.

Changelog : 2020-12-06

  • Fixed Fingerprint authentication in third party apps
  • Fixed Browser crash while doing some activities ( eg. watching youtube videos )
  • Enabled device controls feature in power menu
  • Misc improvements

What’s working

  • Boots
  • RIL ( Data,SMS,Calls )
  • SELinux
  • Fingerprint sensor
  • WiFi
  • Bluetooth
  • Camera (All of them on a30 and a40)
  • Camcorder
  • Audio
  • GPS
  • Sensors
  • Video Playback

Known issues

  • IMS (VoLTE,ViLTE,VoWiFi)
  • Bluetooth calls
  • Extra cameras on m20 and m30

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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