[ROM][UNOFFICIAL][13][ I9300 ][ LineageOS 20.0 ][ALPHA]

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Recognized Developer
Can you also bring Android 13 to the Tab 4 10.1? It has the same processor as the S3 Neo.
send me an PN.
@html6405, hello, I wanted to try your LOS 20.0 rom, but I don't see any files there: AFH.
Use the mega link from the start post, AFH is still not working.
@rodman01, I followed the link in the "How to install it" spoiler, which then linked to the AFH site...

@html6405 you should update the link on the MHS page.

Thanks all
Thanks, I will add the mega link there :).
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New member
Dec 9, 2022
hi. i have a problem. there IS a pacth with can i use mirrorlink 1.0 with this software, for connected with My car?

amirabbas mm

Oct 19, 2022

happy new year​

when you send the new update?
18102022 update have lots of bugs
such as slow speed
please make new update

thankyou very much❤️❤️
Last edited:


Feb 11, 2021
the volume of voice recordings (e.g. whatsapp or signal) has always been too low for me in Lineage OS. In order for my interlocutors to understand me properly, I always had to increase the volume by changing the mixer_paths.xml in /root/vendor/etc/. Here is the video:
Unfortunately this file does not exist in Lineage OS 19.1. Does anyone know how to increase the volume of voice recordings here?


Senior Member
Jun 30, 2014
Thank you so much! I can't believe that you're keeping this old monster alive and kicking! :)

I still have my old S3 lying around as a kind emergency phone, and as soon as LOS 20 is leaving Alpha state, I will give it a try. Looking forward to it!

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  • 4
    Update 15.01.2023:
    • Synced with latest LineageOS sources
    • Increased zram up to 600MB
    • Set swappiness back to 100
    • Fixed SamsungDoze
    mega download says it's los 19.1
    @html6405 I think on Mega + Androidfilehost there are no more Linage 20 images - when I was looking yesterday or the day before yesterday there was Linage 20 images - is this a mistake?
    Will they come again?
    regards kultex
  • 16
    * Your warranty is now void.
    * 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.


    here you can find my version of LineageOS 20.0 for our Samsung Galaxy S3 (I9300).
    At first I want to thank @rINanDO, @ChronoMonochrome for all your work on these devices!
    Also thanks to @daviiid99 for your efforts in fixing RIL and other stuff, it safed much time.

    This is an alpha version, it's not finished from the LineageOS side and also not from mine,
    please do not report bugs.

    Here you can see how far everything is working for now.

    • Boot
    • Audio
    • Bluetooth
    • Graphics
    • Cameras
    • Sensors
    • Wifi
    • GPS
    • USB
    • Video playback (HW/SW)
    • Tethering via USB
    • RIL
    • OTA-Updates
    • Tethering via WIFI and Bluetooth
    • much more...
    • NFC
    • BT audio in a phone call
    • Storage Encryption (WIP switching to FBE from FDE since FDE was removed in 13)
    • Network monitoring because of missing eBPF
    • Maybe random reboots
    You could use a gps.conf from https://app.box.com/s/w57s1v1n3hie7l5lk28i for your location and replace /vendor/etc/gps.conf.
    Or you try GPS Server Optimizer app for a faster 3D fix.
    For both methods you need root rights.
    I would recommend to use microG instead of BitGapps,
    here you can find the installation instructions:
    1. Download Magisk 24.1 and flash it via TWRP (yes, flash the APK file), reboot
    2. Open Magisk and update the App (and do a reboot if it's asking)
    3. Enable Zygisk in Magisk
    4. Download and install microG installer in the Magisk manager, reboot
    5. Download and install safetynet-fix in the Magisk manager, reboot
    6. Check with a safetynet checker app and you should pass :)

    Do you like my work?
    Than you can simply hit the thanks button and consider to spend me a coffee or a beer,
    I'm doing this in my free time and it also costs a lot of money to buy hardware.


    Wanna improve your sound configs, control your charging current and more?
    Now you can use my app to access all boeffla configurations, there will follow more functions.

    XDA:DevDB Information
    [ROM][13.x][I9300][BETA] LineageOS 20.0, ROM for the Samsung Galaxy S3


    Source Code: https://github.com/html6405

    ROM OS Version: 13.x T
    ROM Kernel: Linux 3.4.x
    ROM Firmware Required: TWRP 3.5.2
    Based On: LineageOS
    Selinux: permissive

    Version Information

    Created 2022-09-22
    Last Updated 2023-01-15
    Hi!, there isn't yet a lineage 20.0 for the S3 Neo?
    Wrong thread, this is for i9300! But anyway, I will also bring A13 to the S3 Neo.
    Man u are a machine congratulations :)
    Found 20 .... install .... and it works .... crazy .... many thanks to this masterpiece @html6405