[ROM] Lineage 15.1 for Galaxy A3 2016 [UNOFFICIAL]

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By GuestK0017, Guest on 2nd December 2017, 06:24 PM
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 * Your warranty will be VOID after installing a custom ROM.
 * Get notified yourself that I am not responsible for bricked devices, dead SD cards,
 * thermonuclear war, or you getting fired because the alarm app failed.
 * Please do some research if you have any concerns about features included in this ROM
 * before flashing it!
 * YOU are choosing to make these modifications,
 * and if you point the finger at me for messing up your device,
 * I will laugh at you.
  • Be sure you are running the last version of TWRP available for your device
  • Do a Nandroid Backup
  • Download and flash new TWRP 3.2.1 from TWRP Official Website
  • Download the last O build from mega
  • Put the zip on the sdcard and flash it
  • Boot it

  • Telephony (Calls, SMS, Mobile Data)
  • Wi-Fi
  • Audio (Speaker and Microphone)
  • Bluetooth (A2DP and BLE is working too)
  • Camera (picture and video recording)
  • Flashlight
  • Enforcing kernel
  • NFC

Not working
  • NFC is sometimes buggy
  • No VoLTE (can't be fixed.)
Please note that i put here only bugs that i verified and reproduced on my phone /!\

Supported variants
  • All variants!

How to fix error 7
  • Error 7 is due to non-updated TWRP!
  • Download newer TWRP (3.2.1-0) on official website (
  • Flash it using Odin or directly on TWRP
  • Reboot to recovery then re-flash the ROM

Other details
  • Sources: Exynos7580 GitHub
  • Please follow rules and don't insult or off-topic talk in the replies !
  • Making a fully working system take much time, you can support and help me by doing a small donation : PayPal
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2nd December 2017, 06:25 PM |#2  
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- Updated to LineageOS 15.1
- Fixed sensors (not included in this build)
- Fixed microphone
- Fixed enforcing kernel
- Fixed touchkeys and lights
- Fixed bluetooth (with A2DP and BLE)
- Smoother experience
- Improved Dual-SIM compatibility
- Surely much things....

Work remaining is :
- Camera + Video Recording
- (maybe/untested) OpenMax Drivers (video playing, hw [de/en]coding).


- Fixed sensors
- Fixed camera (picture and video - thanks to @danwood76 for helping)
- Fixed flashlight
- Optimized interface fluidity (really smoother now)

Work remaining is :
- Random SMS and Data issue


- Fixed NFC
- Re-enabled enforcing kernel


- Fixed some sepolicy denials
- Switched to stock LineageOS PowerHAL (can maybe improve performances or battery)
- Binderized some services (can optimize some performances or tasks)
- Added Widevine libraries (this can fix some issues with streaming apps such as "MyCanal" or "Netflix")
- Finally fixed properly Mobicore


- Fixed screen-recording (by Stricted)
- Fixed issues with WhatsApp, file-photo sharing (by Stricted)
- Improved some RIL-related things
- Updated Wi-Fi kernel driver


Almost final build!
- Fixed earpiece problems
- Fixed most of RIL issues
- Reviewed screen-recording issues (it was maybe wrong built last time)
- Improved UX fluidity (this was for A5, but it could impact on A3)
- Much more small things (kernel updates, cleaned up some code and useless flags, etc...)


- Switched to quad-core kernel for better battery life (note: i got much replies because some guys want to keep 8-cores. Actually we will STAY on 4-cores as it is the stock value. And our goal is to provide a new OS, not to unlock and/or overclock your phone.)
- Fixed sepolicy denials
- Disabled MSAA 4x enabled by default
- Updated Bluetooth configuration
- Added good DRM libraries, so Netflix, MyCanal and other apps are now really working.
- Fixed NFC tile (ref: LineageOS Gerrit)
- Some small edits

Discord Group
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2nd December 2017, 06:48 PM |#3  
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No way! Man you are the best!
Was it planned? btw nice new website!
2nd December 2017, 07:02 PM |#4  
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Originally Posted by KMXSLR

Android O builds for Samsung Galaxy A3

Thank you soooo much, this is really great, never thought we would receive oreo so fast. Youre the best!
2nd December 2017, 07:02 PM |#5  
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Great job
2nd December 2017, 07:05 PM |#7  
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Great news KMX! Thanks for all you do for us!
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2nd December 2017, 07:16 PM |#9  
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I've donated to you. I hope we get some contact like before this whole thing.
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2nd December 2017, 07:44 PM |#11  
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thanks for all what you spent on this project, happy for a3 user to can use oreo )
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a3 2016, a3xelte, a3xeltexx, nexus os, oreo

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