[ROM][OFFICIAL][T713][9] LineageOS 16.0

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So I've got 3 SM-T713 and both the most recent 16 unofficial, and 17.1 builds crash randomly when the device gets below 55% battery. Is anyone else experiencing this? Does anyone have a fix?
I had random reboots with 17.1 but them were unrelated to battery level. I rarely let my charge drop below 50%. Recently went back to 16.0. Haven't used it enough yet but battery is 38% as I type this and no problems.
 
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thefanum

Senior Member
Dec 27, 2011
131
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OnePlus 3T
OnePlus 7T
Nice! Well, if/when you get the random reboots, the fix I posted should work for you. It works on all three of mine.

But that's awesome. You might have the last functional SM-T713 on the planet, lol
 
So the February patch is in the latest build but not identified in the build info?
I have experienced WiFi suddenly turning off several times in the week since my 713 has been back on 16.0. It's always come right back on by itself until today. WiFi wouldn't stay on so I had to restart that tablet. I had forgotten about this little 16.0 quirk. On the plus side it haven't had any random reboots!
 

thefanum

Senior Member
Dec 27, 2011
131
32
OnePlus 3T
OnePlus 7T
I have experienced WiFi suddenly turning off several times in the week since my 713 has been back on 16.0. It's always come right back on by itself until today. WiFi wouldn't stay on so I had to restart that tablet. I had forgotten about this little 16.0 quirk. On the plus side it haven't had any random reboots!
Ok, so it's not just me! I was starting to think I was crazy, lol.

My internet is being fixed as we speak, I'll get back to troubleshooting when I know it's not my infrastructure that's the problem.

Anything interesting in the logs when the wifi cuts out?
 
Ok, so it's not just me! I was starting to think I was crazy, lol.

My internet is being fixed as we speak, I'll get back to troubleshooting when I know it's not my infrastructure that's the problem.

Anything interesting in the logs when the wifi cuts out?
Nothing in the router log. Don't know where to look in tablet if that's what you meant. I have experienced this with almost every version of LineageOS but I think maybe 17.1 was better than 16.0.
 

thefanum

Senior Member
Dec 27, 2011
131
32
OnePlus 3T
OnePlus 7T
Nothing in the router log. Don't know where to look in tablet if that's what you meant. I have experienced this with almost every version of LineageOS but I think maybe 17.1 was better than 16.0.
Ok, good to know. If you have root (or don't mind using ADB to enable it) please check logcat on the tablet, this is the app I like. I'll be doing the same and report back.

 

thefanum

Senior Member
Dec 27, 2011
131
32
OnePlus 3T
OnePlus 7T
Ok, I finally managed to capture logs from when the WiFi cut out (on 17.1, still working on getting a logcat from 16), and there's lots of errors, but I'm not sure what the culprit is. I'm going to keep Googling errors from the log, but if anyone wants to take a look and see if they can spot the culprit, it would be greatly appreciated.

I've attached the log file.
 
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    LineageOS is a free, community built, aftermarket firmware distribution of Android 9 (Pie), 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.

    All the source code for LineageOS is available in the LineageOS Github repo. And if you would like to contribute to LineageOS, please visit out Gerrit Code Review. You can also view the Changelog for a full list of changes & features.

    Instructions :
    • Download the latest build and gapps
    • Reboot to recovery
    • Flash the latest build and gapps
    • Reboot
    Downloads :
    Reporting Bugs
    • DO NOT Report bugs if you're running a custom kernel or you installed Xposed
    • Grab a logcat right after the problem has occurred. (Please include at least a few pages of the log, not just the last few lines, unless you know what you're doing.)
    • If it is a random reboot, grab /proc/last_kmsg. (Do not bother getting a logcat unless you can get it just before the reboot. A logcat after a reboot is useless)
    • If the problem disappears after running "setenforce 0" from a root shell, grab /data/misc/audit/audit.log
    Remember to provide as much info as possible. The more info you provide, the more likely that the bug will be solved. Please also do not report known issues. Any bug not reported in the bug report format below may be ignored.

    Code:
    What is your--
    LineageOS version:
    LineageOS Download url:
    Gapps version:
     
    Did you--
    wipe:
     restore with titanium backup:
    reboot after having the issue:
     
    Are you using--
    a task killer:
    a non-stock kernel:
    other modifications:
     
    Provide any additional information (observations/frequency of problem/last version it worked on/etc) as needed:

    XDA:DevDB Information
    [ROM][OFFICIAL][T713][9] LineageOS 16.0, ROM for the Samsung Galaxy Tab S2

    Contributors
    LuK1337
    Source Code: https://github.com/LineageOS

    ROM OS Version: Windows 8 Mobile

    Version Information
    Status: Testing

    Created 2018-08-16
    Last Updated 2019-03-02
    13
    I have updated the kernel in today's build with a new WiFi driver and several hundred cve. It should not be necessary to disable WiFi anymore while sleeping.
    6
    Ok, I also faced the challenge to update my bootloader in order to be able to update LineageOS to the latest versions and I am a Windows user and I did not want to do a clean install of first the Samsung ROM and then LineageOS, thereby losing my data. So I read a lot of posts here in the forum and used the following solution to update my Tab S2:
    - Download Odin from https://samsungodin.com/download/Odin3 v3.12.3.zip
    - Download the latest Samsung firmware from https://www.sammobile.com/samsung/galaxy-tab-s2/firmware/SM-T713/
    - Extract the .md5 file contained in the downloaded zip. You can use 7Zip for this. It can handle tar files as well, which is needed for the later steps.
    - Rename the file, so that it gets the extension .tar instead of .md5
    - Extract the files sbl1.mbn, aboot.mbn, rpm.mbn, tz.mbn, hyp.mbn, sec.dat, keymaster.mbn, cmnlib.mbn, adspso.bin, modem.bin and NON-HLOS.bin from the tar file and place them in any folder on your disk
    - Use 7Zip (or another program that can create tar files) to create a T713.tar file containing the files extracted in the last step
    - Turn off your Tab S2. Enter download mode by pressing Power+Volume Down+Home at the same time. Confirm that you want to update your system by pressing Volume Up.
    - Connect the Tab S2 to your PC with the USB cable. I'd suggest to not connect any other Android device at the same time now.
    - Run Odin as Administrator
    - Make sure the ID:COM field changes to blue, which indicates your device got detected
    - Click on the AP button and select the T713.tar file we created above
    - Click Start to flash the file. The Tab S2 should reboot at the end of the process.
    Afterwards you should be able to install the newer LineageOS versions (but no longer the older ones).

    Of course I take no responsibility if you brick your phone or nuke the world using the steps above ;).
    5
    Which date build has this fix built in? Official channel right? Thx millions

    The latest current available update includes new kernel.

    To verify, the new kernel is 3.10.108 in Settings->About.