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[7.1.x|SM-G900H| Unofficial LineageOS 14.1 (k3gxx)

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Senior Member
Feb 15, 2017
Are you using the latest build?
This Rom is nearly perfect for me except 2 minor problems:
1. there are some audio distortion problems that can be improved with Dolby Atmos(Fix needed).
2. This Rom doesn't pass Safetynet
Last time reboot every day,and batary lost curent charge

---------- Post added at 10:13 PM ---------- Previous post was at 10:11 PM ----------

Last time reboot every day,and batary lost curent charge
Back on Viper oS -lags stoped


Senior Member
Feb 15, 2017


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Thanks I had TWRP 3.4 installed gave an error 7, had to install TWRP 3.3 then rom installed fine

Rom works fine for me

Any idea how we get andriod 10/11 like launcher installed?

On whatsapp voice call, I cannot hear the other person and the other person cannot hear me, any fix?
Last edited:


Senior Member
Feb 15, 2017
Thanks I had TWRP 3.4 installed gave an error 7, had to install TWRP 3.3 then rom installed fine

Rom works fine for me

Any idea how we get andriod 10/11 like launcher installed?

On whatsapp voice call, I cannot hear the other person and the other person cannot hear me, any fix?
Yes twrp 3.4 not work, universal 3.1.1 good work. Safety net work, Call work. Format data Yes-format-mount and clean-not reboot,-mount-instal rom+gapps+busy+putches+ magisk-wait instal- mount system-reboot


Jun 16, 2016
Is the problem with the CPU fixed ? (only little cores 1.3Gb working and the Big cores 1.9Gb are inactive allways)
Its necessary for gaming like PUBG plz do answer my question or if there is any workaroun

Tried installing in that order, WhatsApp calls still not working

---------- Post added at 08:50 AM ---------- Previous post was at 08:46 AM ----------

Is the problem with the CPU fixed ? (only little cores 1.3Gb working and the Big cores 1.9Gb are inactive allways)
Its necessary for gaming like PUBG plz do answer my question or if there is any workaroun

Yeah these cores have been stopped, can we use a CPU governor to make these cores active?

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  • 33
    LineageOS is a free, community built, aftermarket firmware distribution of Android 7.1 (Nougat), which is designed to increase performance and reliability over stock Android for your device.
    It 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. You will need to provide your own Google Applications package (gapps). LineageOS does still include various hardware-specific code, which is also slowly being open-sourced anyway.​


    #include <std_disclaimer.h>
     * Your warranty is now void.
     * We are 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 us for messing up your device, we will laugh at you.


    This thread is for Unofficial LineageOS 14.1 builds for k3gxx (SM-G900H). The following will not be supported here:
    Custom kernels

    I don't support Xposed/Magisk and any logcat which includes a Xposed/Magisk module will be ignored. You're kindly invited to not report bugs if you:
    Flashed a custom kernel
    Installed or did mods from untrusted sources
    Modified system files


    First time flashing LineageOS 14.1 on your device, or coming from another ROM?
    Download the zip(s)
    Install a compatible Recovery
    Perform a nandroid backup of your current ROM (Optional)
    Wipe data/factory reset
    Flash LineageOS
    Install the Google Apps addon package (Optional)


    k3gxx Downloads

    Google Apps:

    Want Root access? Flash this!
    LineageOS SU Addon

    Flahed the SU Addon and now you want to remove it? Flash this!
    LineageOS su addon Remover


    *KERNEL: patched A LOT of cves!
    *KERNEL: added SU hide patches. Now the su binary wont be detected if root access is disabled in developer settings.
    *Red "Kernel is not enforcing" message on boot is gone now
    *Blueooth calls improvements (wideband audio properly enabled now)
    *VoIP calls have been fixed (WhatsApp and other apps)
    *In call echo has been decreased
    *Ramdisk has been reworked
    *Some SELinux denials have been adressed
    *We now have SdcardFS support, which almost doubles the read/write speeds vs fuse
    *More under the Hood changes

    *Lots of audio improvements and fixes! (better quality, more power efficient)
    * Fixed Bluetooth calls
    *Improved camera quality! pics are more than great now!
    *CPUSETS are now enabled... this should save a lot of power!
    *New cpufreq relation... this should save a lot of power!
    *Lots of under the hood changes (stability improvements)

    *Lots of audio improvements and fixes
    *WiFi tetherting fixed
    *USB tethering fixed
    *Minimum frequency for the GPU lowered from 177mhz to 100mhz (power saving optimization)
    *Samsung Input boosters were disabled (power saving feature)

    *Initial Release


    *Reproducing videos with the camer app does not work. You must reproduce them from the gallery!
    *Sharing videos on apps like WhatsApp or Snapchat does not work (this bug affects all the exynos5 family)
    *You tell me!

    Other issues?
    Before posting in this thread, make sure of a few things:

    You used the search function of the forums.
    If you are the only one having a problem. Boot into recovery, wipe data/factory reset, reflash the rom/gapps and nothing else. Boot up and see if the problem persists.
    Make sure your post is relevant to this thread.
    Logs! You can use this: https://play.google.com/store/apps/d....tortel.syslog


    @UpInTheAir for his kernel magic and misc fixes
    @crpalmer (for picassowifi device and kernel gits)
    @eousphoros (for his work on klimtwifi)
    @nvertigo67 (for his work on chagallwifi)
    @Nexorrr (for his work on chagalllte)
    Exynos5420 Dev Team (@deadman96385 @thompatry @ZakooZ @Orion116 @mosimchah
    @joshndroid @Andmoreagain @thermskin, @javelinanddart, @tincho5588)
    Exynos5422 Dev Team (somadsul, hunnymadaan, griffin98)

    Source Code:
    Device Tree

    XDA:DevDB Information
    [7.1.x|SM-G900H| Unofficial LineageOS 14.1 (k3gxx), ROM for the Samsung Galaxy S5

    ROM OS Version: 7.x Nougat
    ROM Kernel: Linux 3.10.x
    Based On: LineageOS

    Version Information
    Status: Stable

    Created 2017-08-09
    Last Updated 2017-09-03
    Whats up guys! Some of you may already know me, or may have heard of me, from my work in ha3g (Galaxy Note 3 exynos)... Today I come here to bring you my latest work, a fully stable and functional LineageOS ROM for the Samsung Galaxy S5 exynos variant...
    It took a lot of time and effort to bring this up to this point, when I started with this project like 10 days ago I found a device that was really broken (random reboots, bugs all over the place, missing features, terrible battery life and performance...) I entirely redid the kernel from scratch, and redid 90% of the device and vendor trees to get the result we see here today... The device works like a charm, battery life is great, it is complete feature wise, and nothing is broken (except for the two minor bugs listed in the OP bug section...)
    As I always do, i will give you THE reminder...
    *You NEED to flash this clean (wipe system, data, cache and dalvik-cache before flashing)
    *Don't use xposed/magisk/mods... these kind of mods will certainly interfere with the well functioning of the system...
    If you didn't follow these procedure, and encounter a bug, please don't report it... start over the proper way and try to reproduce the bug again before giving any report...
    Also, i do not take into consideration the reported bugs I can not reproduce in my own device... the device I hold in my hand is the same you have in yours, if it works for me, it works for you...
    This ROM is labeled as STABLE... what does this mean? It is suitable to be used as Daily Driver and has no major issues...
    What's next now? Bring up the selinux policy, get cves for the kernel, and go Official...

    Guess I don't have anything more to add for the moment... I hope you enjoy my work!
    Happy flashing!

    EDIT: Added some screenshots! Sorry for the crappy battery screenshot... I dont have a proper one... but you can tell by the screenshot that the stand-by times are great!

    Want Root access??
    Just flash with TWRP the LineageOS SU Addon zip file found on the download section... Flash it after you have flashed Google Apps!!!
    Then enable the developer options menu with this guide:
    To enable Developer Options, open the Settings screen, scroll down to the bottom, and tap About phone or About tablet.
    Scroll down to the bottom of the About screen and find the Build number.
    Tap the Build number field seven times to enable Developer Options. Tap a few times and you’ll see a toast notification with a countdown that reads “You are now X steps way from being a developer.”
    When you’re done, you’ll see the message “You are now a developer!”. Congratulations. Don’t let this newfound power go to your head.
    Tap the Back button and you’ll see the Developer options menu just above the “About Phone” section in Settings. This menu is now enabled on your device—you won’t have to repeat this process again unless you perform a factory reset.
    Now go into the developers options menu and find the option to enable root access!!

    Flashed the SU Addon and now you want to remove it from your phone??
    Just download the LineageOS SU Addon remover and flash it with TWRP...


    Information about the kernel and its features will be added here soon...
    Hi, thank you for this amazing Rom, battery life is fantastic. Only problem is an annoying echo in telephone or whats app calls, not in my side, but for those I am talking with. Can I do something to solve this problem or does anyone else have this echo?

    Gesendet von meinem SM-G900H mit Tapatalk

    This issue has been treated and saw a huge improvement... patches included on upcoming builds...

    some news guys, device will go official, 99% of the work is done... just need to get 3 commits merged... the device will build weeklies, every Wednesday! I am pushing stuff like crazy... lots of changes...