[ROM][13][UNOFFICIAL][STABLE] LineageOS 20

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rttxda

Senior Member
banner-los.jpg

LineageOS is a free, community built, aftermarket firmware distribution of Android 13, which is designed to increase performance and reliability over stock Android for your device.

LineageOS is based on the Android Open Source Project with extra contributions from many people within the Android community. It can be used without any need to have any Google application installed. Linked below is a package that has come from another Android project that restore the Google parts. LineageOS does still include various hardware-specific code, which is also slowly being open-sourced anyway.

Code:
/*
* 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.
*/

What is working:
- WiFi
- DualSIM, including calls on both sims
- Bluetooth
- NFC
- Camera
- Sound
- GPS
- Fingerprint scanner
- Sensors
- SD cards
- Double tap to wake
- Data encryption
- SELinux enforcing
- OTA updates
- Signature spoofing
- Most other basic stuff

Known issues:
- Output devices are swapped in VoIP calls. Doesn't impact call quality though. Common problem with samsung phones.
- Also bluetooth calls in some apps.
- VoLTE, this also affects all Samsung devices on custom roms ;)

Installation guide:

1. Recommended Samsung firmware version is A705FNXXU5DVK6, but it will work on slightly older versions too.​

Make sure that the bootloader is unlocked.​

--

2. Boot the phone into download mode. Flash Lineage recovery through AP button in Odin.​

Download here.

Note: Use TWRP at your own risk! It does not properly support new A13 roms with the latest changes.
Use Lineage recovery for the best experience, otherwise don't complain if your phone bootloops.
--

3. Boot into recovery (Vol+ and Power while USB is plugged into PC)​

Note: Samsung's OneUI wipes the custom recovery partition and possibly vbmeta while booting so try not to reboot into Android.
--

4. Format data and system in the recovery​

--

5. Flash the rom in "Apply update" menu.​

There are 2 ways to install:
  • On the phone: Copy the zip to a FAT32-formatted microSD card and install it in recovery.
  • With a PC: Use Minimal ADB on Windows. Open "cmd-here" and type
    Code:
    adb sideload <rom-file>
    where <rom-file> is the filename (drag-and-drop the zip file into cmd window).
--

6. (Optional) Flash add-ons such as Google apps or Magisk in the same way that you flashed the rom.​

We now have a working ramdisk so newest Magisk works fine ^^
--

7. Reboot and enjoy :)


Downloads:

(Update recovery and clean flash if coming from 2022.11.26!)

ROM: lineage-20.0-20230126-UNOFFICIAL-a70q.zip

Recovery: lineage-20.0-20230126-recovery-a70q.tar


Changelog:
20230126:
  • Synced latest LineageOS sources and security patch
  • Resolved encryption issues
  • Resolved DualSIM issues
  • Added signature spoofing permission for microG support
  • Updated blobs to A705FNXXU5DVK6
  • Two stage init implemented for proper Magisk support (a.k.a. ramdisk)
  • Implemented /omr as /metadata
  • Entire ramdisk updated to R
  • Various other fixes
Full changelogs: https://github.com/rtd1250/a70q_OTA/releases

Like my work? Consider donating 😊

Credits:
* @rttxda @ataberkozen @haky 86
* @Grarak for the original 17.1 trees
* @Simon1511 for his work on Lineage for similar Samsung qcom phones, enabling this project to get this far
* All other Lineage devs

Source code
https://github.com/LineageOS
https://github.com/rtd1250/android_device_samsung_a70q
https://github.com/rtd1250/android_kernel_samsung_sm6150
https://github.com/rtd1250/proprietary_vendor_samsung_a70q

Other info
OS version: Android 13
Linux version: 4.14.190
Recommended firmware: A705FNXXU5DVK6
Build date: 26/01/2023
 

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Last edited:

TestUserG

Member
Sep 7, 2022
9
3
Screen off fingerprint not working even after enabling it from settings. However, to lineageos 19.1, it was working as expected.
 

rttxda

Senior Member
New update is now available, with Screen off FOD fixed (make sure you enable it in settings). You might also find that Always on display is turned on by default, it can be turned off with a quick settings tile. You also can update through settings app on the phone.

For OTA updates I recommend Lineage recovery and, if you need root, Lygisk. Don't report bugs with updates if you use Magisk.
 

MarvinMod

Senior Member
May 20, 2015
684
275
Samsung Galaxy A70
Don't expect VoLTE on _any_ rom for a samsung phone, there is no implementation in AOSP. Official devices lack it too. No developer has bothered to do volte so far (and probably won't unless there's a good reason). Other than that, we're pretty much as bugless as we can get currently.
Thanks, due to needing Volte for calls and texts, now that 3g is shut down, looks like im stuck using stock. ☹️
 

rttxda

Senior Member
Thanks, due to needing Volte for calls and texts, now that 3g is shut down, looks like im stuck using stock. ☹️
Apart from that, only thing you could do is use OneUI mods.. volte might happen one day if someone takes the time to reverse engineer it but so far we're out of luck. This is a problem on every samsung device on AOSP, and with other makes, YMMV.
 
  • Like
Reactions: MarvinMod

rttxda

Senior Member
Personally I'd say los is a great experience as long as 3G calls are not a problem, I use it on my daily phone which has no volte either, but at least is maintained officially :)
(Also in many countries 3G is shut down before 2G so I'm pretty sure 2G can still be used in those)
 

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  • 1
    hellow thank you for bring good custom os, how to install latest version ? lineage-20.0-20230101-UNOFFICIAL-a70q when im install from twrp then after finish, it take too long to boot. im waiting about 30 mins, and still loading.
    1
    Bluetooth calls don't seem to work at all.
    Sometimes I can't hear anything at all, but most of the time the sound comes out of the default phone speaker instead of the bluetooth device.
    Tried some workarounds from other roms or devices but no luck.

    Was not able to grab logcat yet, but if required I can try to get one.

    This issue also existed in LOS 19.
    1
    I tried the normal phone app, and google phone but both same results
    1
    Here is the logcat

    Edit: file upload did not work for some reason, grab it here instead: https://cloud.erdbeerbaerlp.de/s/M77NFeYGNgf7RHZ
    1
    New update is out, with lots of improvements and changes, such as microG support and encryption fix. See the changelog for more info.

    Unfortunately, it requires a recovery update and a clean flash due to filesystem-related changes, so please back up your data before updating!
    Upgrade process is basically: reflash new recovery, wipe data, flash the .zip, like in install guide.
    This shouldn't be an issue in the future builds, sorry for the inconvenience.

    I've also added a donation link to OP in case you want to send an additional thank you for the Android 12 and 13 bringup work ;)
  • 11
    banner-los.jpg

    LineageOS is a free, community built, aftermarket firmware distribution of Android 13, which is designed to increase performance and reliability over stock Android for your device.

    LineageOS is based on the Android Open Source Project with extra contributions from many people within the Android community. It can be used without any need to have any Google application installed. Linked below is a package that has come from another Android project that restore the Google parts. LineageOS does still include various hardware-specific code, which is also slowly being open-sourced anyway.

    Code:
    /*
    * 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.
    */

    What is working:
    - WiFi
    - DualSIM, including calls on both sims
    - Bluetooth
    - NFC
    - Camera
    - Sound
    - GPS
    - Fingerprint scanner
    - Sensors
    - SD cards
    - Double tap to wake
    - Data encryption
    - SELinux enforcing
    - OTA updates
    - Signature spoofing
    - Most other basic stuff

    Known issues:
    - Output devices are swapped in VoIP calls. Doesn't impact call quality though. Common problem with samsung phones.
    - Also bluetooth calls in some apps.
    - VoLTE, this also affects all Samsung devices on custom roms ;)

    Installation guide:

    1. Recommended Samsung firmware version is A705FNXXU5DVK6, but it will work on slightly older versions too.​

    Make sure that the bootloader is unlocked.​

    --

    2. Boot the phone into download mode. Flash Lineage recovery through AP button in Odin.​

    Download here.

    Note: Use TWRP at your own risk! It does not properly support new A13 roms with the latest changes.
    Use Lineage recovery for the best experience, otherwise don't complain if your phone bootloops.
    --

    3. Boot into recovery (Vol+ and Power while USB is plugged into PC)​

    Note: Samsung's OneUI wipes the custom recovery partition and possibly vbmeta while booting so try not to reboot into Android.
    --

    4. Format data and system in the recovery​

    --

    5. Flash the rom in "Apply update" menu.​

    There are 2 ways to install:
    • On the phone: Copy the zip to a FAT32-formatted microSD card and install it in recovery.
    • With a PC: Use Minimal ADB on Windows. Open "cmd-here" and type
      Code:
      adb sideload <rom-file>
      where <rom-file> is the filename (drag-and-drop the zip file into cmd window).
    --

    6. (Optional) Flash add-ons such as Google apps or Magisk in the same way that you flashed the rom.​

    We now have a working ramdisk so newest Magisk works fine ^^
    --

    7. Reboot and enjoy :)


    Downloads:

    (Update recovery and clean flash if coming from 2022.11.26!)

    ROM: lineage-20.0-20230126-UNOFFICIAL-a70q.zip

    Recovery: lineage-20.0-20230126-recovery-a70q.tar


    Changelog:
    20230126:
    • Synced latest LineageOS sources and security patch
    • Resolved encryption issues
    • Resolved DualSIM issues
    • Added signature spoofing permission for microG support
    • Updated blobs to A705FNXXU5DVK6
    • Two stage init implemented for proper Magisk support (a.k.a. ramdisk)
    • Implemented /omr as /metadata
    • Entire ramdisk updated to R
    • Various other fixes
    Full changelogs: https://github.com/rtd1250/a70q_OTA/releases

    Like my work? Consider donating 😊

    Credits:
    * @rttxda @ataberkozen @haky 86
    * @Grarak for the original 17.1 trees
    * @Simon1511 for his work on Lineage for similar Samsung qcom phones, enabling this project to get this far
    * All other Lineage devs

    Source code
    https://github.com/LineageOS
    https://github.com/rtd1250/android_device_samsung_a70q
    https://github.com/rtd1250/android_kernel_samsung_sm6150
    https://github.com/rtd1250/proprietary_vendor_samsung_a70q

    Other info
    OS version: Android 13
    Linux version: 4.14.190
    Recommended firmware: A705FNXXU5DVK6
    Build date: 26/01/2023
    2
    all good on the a70 (sm-a705mn) for now🙂
    thanks for the rom
    1
    Will look into that, thanks for reporting. You can use DT2W or raise to wake in the meantime :)

    Edit: fixed as of 20221126
    1
    Great work as always, thanks a lot
    1
    Thanks, due to needing Volte for calls and texts, now that 3g is shut down, looks like im stuck using stock. ☹️
    Apart from that, only thing you could do is use OneUI mods.. volte might happen one day if someone takes the time to reverse engineer it but so far we're out of luck. This is a problem on every samsung device on AOSP, and with other makes, YMMV.