[ROM][STABLE][Signature Spoofing/MicroG support] LineageOS 18.1 for S7 Exynos

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Mohamedkam000

Senior Member
Feb 13, 2016
473
147
Khartoum
all app permissions were set to no permission,
what are the default permissions for system apps?
System apps usually get their permission set from default-permissions folder, but you can try to reset app preferences found in settings:

Screenshot_20210114-180635_Settings~2.png
 

winblocker

Member
Oct 9, 2018
9
1
After setting up the google authenticator instead of sms i could log in and set up my fingerprint. However on the following login attempts it takes my fingerprint, is busy for a bit and then throws me back to the fingerprint input.
 

QhyQhy

Member
Oct 29, 2013
23
9
Not Working
- HWcomposer (HWC) (temporarily disable due to crash it caused)
- System is running some debug in bacground and that combined with no hwc might make it seem a bit slower
that will be resolved soon treat this as preview build

still true? :)
 

Mohamedkam000

Senior Member
Feb 13, 2016
473
147
Khartoum
Not Working
- HWcomposer (HWC) (temporarily disable due to crash it caused)
- System is running some debug in bacground and that combined with no hwc might make it seem a bit slower
that will be resolved soon treat this as preview build

still true? :)
Yes, they're still present, you can override the slowness, at a price, or you can have faith in Ivan and wait for him to stabilize the ROM.
 

vagika

Member
Mar 7, 2009
40
7
Hungary
Hi,

No issues so far, also battery last longer as 17.1, but w/ my company phone, I can't use TWRP w/ encryption, since can't mount data. Is it working for anyone?
Thanks
 

Mohamedkam000

Senior Member
Feb 13, 2016
473
147
Khartoum
Hi,

No issues so far, also battery last longer as 17.1, but w/ my company phone, I can't use TWRP w/ encryption, since can't mount data. Is it working for anyone?
Thanks
Sorry, encryption/decryption is not supported officially, if you need root, you can simply flash it using an external sdcard, Magisk can detect your encrypted partition.

It has some workaround for gaining root with keeping encryption, maybe by putting everything on /cache then copy to /data, IDK exactly how.

You can try your luck with command <twrp decrypt PASSWORD>.
 
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Mr_Biggles

Member
Aug 3, 2012
29
1
The Big Smoke
Been using this for a week or so. No issues. Very smooth and great battery life.

For those who mention the in-call echo problem, is it happening on your S7 handset or is the echo a problem for whoever is at the other end of the call? I have not noticed it at all from my end but one or two people I have been speaking to have mentioned an echo on the line. Thanks.
 

Architect_Kev

Member
Aug 23, 2020
17
10
Been using this for a week or so. No issues. Very smooth and great battery life.

For those who mention the in-call echo problem, is it happening on your S7 handset or is the echo a problem for whoever is at the other end of the call? I have not noticed it at all from my end but one or two people I have been speaking to have mentioned an echo on the line. Thanks.

I have had the same problem in the previous build, wasn't able to test this one. Apparently nobody wants to speak with me. What worked for me sort was turning down the volume, it almost got completely rid of it. It isn't a glamorous solution but it works (sort off).
 

RickBH

Senior Member
Nov 24, 2015
55
5
I have had the same problem in the previous build, wasn't able to test this one. Apparently nobody wants to speak with me. What worked for me sort was turning down the volume, it almost got completely rid of it. It isn't a glamorous solution but it works (sort off).
I have had the echo problem for a while and I call my landline and leave a message to check. It was so bad that i could hardly understand myself so i investigated a bit and read that reducing the call volume below 50% would help. I tried it at around 30% and almost all of the echo is gone. I have not changed my speaking level to compensate.
 
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milanbey

New member
Jan 21, 2021
4
0
Hey guys, where can I find the previous build of LOS (from around 13/1)? Unfortunately, after applying the latest build today, phone is caught in a boot loop :-( Hoping this could be resolved by flashing the previous working build, but cannot find link to download it here... Thanks!
 

chomsky55

Senior Member
Sep 21, 2020
95
21
Amsterdam
Hey guys, where can I find the previous build of LOS (from around 13/1)? Unfortunately, after applying the latest build today, phone is caught in a boot loop :-( Hoping this could be resolved by flashing the previous working build, but cannot find link to download it here... Thanks!
Did you
Before installing January 2021 build remove fingerprints and delete /data/system/locksettings.db this is needed due to mobicore version change which helped fix fingerprint with 3rd party secure apps
before flashing the latest build?
I have no idea where to find previous builds.
 

milanbey

New member
Jan 21, 2021
4
0
Did you
Before installing January 2021 build remove fingerprints and delete /data/system/locksettings.db this is needed due to mobicore version change which helped fix fingerprint with 3rd party secure apps
before flashing the latest build?
I have no idea where to find previous builds.
sure, did that remove&delete, though did not work out... reverting to previous working build could help I guess
 

rho-bot

Senior Member
Jul 1, 2017
211
92
Hey guys, where can I find the previous build of LOS (from around 13/1)? Unfortunately, after applying the latest build today, phone is caught in a boot loop :-( Hoping this could be resolved by flashing the previous working build, but cannot find link to download it here... Thanks!
still online
 

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  • 18
    New builds with yet another months worth of security updates and some extras is up, here is a brief changelog
    - Fixed Vulkan
    - Disabled WPA2 to WPA3 auto-upgrade (This caused issues on some wifi networks)
    - Rebased AntiFlicker and livedisplay support
    - Performance and stability improvements
    - Synced April 2021 Security Update
    - Synced with LOS source

    As always big thanks to everyone who donated as that helped offset the build server cost and keep the project alive with yet another android version

    17.1 builds will be updated in a few days
    Enjoy new build and stay safe
    2
    Can't say it is buggy overall but agree that the random Wifi disconnects is a bit annoying...basically I lose Wifi like every 5 minutes~ish and has to reconnect (sometimes I have to enable and disable Wifi a few times to connect). Since I am using the phone as a Wifi-only device (i.e., no SIM card in there) it could get pretty annoying when the network connection gets cut off every 5 minutes....

    I also flashed the April build (originally dirty flashed but then it bootlooped so I factory-reset it), and it was the same thing as well. And this happened both before and after I rooted the OS.

    I have 2.4G and 5G sharing the same SSID and I downloaded a Wifi Analyzer it seems that the phone is always connecting to a specific 5G channel and doesn't switch to 2.4G (or any other 5G channel) at all. Also tried to turn on and turn off Wi-Fi scan throttling in Developer options and that didn't seem to help either.

    I am using AiMesh with Asus Merlin firmware if that makes any difference. My model is G930W8. Have a dozen other tablets/phones running in the house plus tonnes of smart devices and this is the only one that constantly disconnects, didn't happen when I was using stock firmware either.

    Not sure what else can be done. Anyone has any thoughts I'd appreciate your help!

    One nice thing though is battery is really amazing on this, I can get 2 days in one charge without any problems (although granted I run like probably 5 apps on the phone).
    I have an S7 Flat...with 18.1 ..7th April build...and ASUS Merlin with AI Mesh. I had issues with the S7 being the only phone that consistently dropped out. I changed on the router Adaptive QOS, QOS tab...Enable QOS to .off...and on Wireless, Professional Tab..Multi user MIMO to disable. My S7 now is pretty rock solid connecting to my home router...at 866 not 443 Mbps. I did read somewhere that the WIFI chip on the S7...was quite new when brought out and is not particularly stable with MuMIMO. My router is an AX88U...and this also worked on an AC66U B1...hope this fixes it for you...took me months to work this out!
    2
    For the issues with reboots and corruption with SD cards formatted with the exFAT filesystem that have been discussed recently, those would be caused by an update to the sdfat driver, used for exFAT filesystems, in the kernel causing kernel panics: https://github.com/LineageOS/androi...mmit/ddba1674688968d672c5529068b8690ee5e79da7

    Over on another device, the Samsung Galaxy Tab A 10.1" (2016), which also uses a 3.18 kernel, I found that the updated version of the sdfat driver (2.4.5) caused kernel panics when writing heavily to an exFAT filesystem (on my SD card) using it. I could very easily cause a kernel panic by, for example, taking videos or downloading torrents to an exFAT filesystem mounted using sdfat. I'm thinking that similar issues are occurring here.

    Assuming that the issues are really caused by the update (I can't think of any other possibility), the only fixes/workarounds are to use a kernel with that update to sdfat reverted, or with whichever parts of the update causing the kernel panics reverted or a proper fix to the sdfat driver. We're still using an older version of sdfat, 2.3.0, over on the Tab A.
    1
    Don't wipe data, only wipe cache and dalvik. Then flash newer system zip and magisk if you need root (v22 didn't work for me so I flashed 21.4 on previous update).
    Thanks! I've got some problems after that approach with NikGapps (I was receiving an error that Google Play Services must be installed, but it already was installed...). Flashing with wiping data also didn't help. Next, I've downloaded the latest version of NikGapps from Canary-Releases and now it works properly.

    Next time I will try your method again, but with latest NikGapps.
    1
    Some thoughts. (you need to be connected to the 5.0 GHz WIFI)
    1) Can you test your phone on another wifi network to see if the link speed on the phone is 866Mbps
    2) Can you test your phone on your wifi network (with the Lyra Voice switched off) to see if the link speed on the phone is 866Mbps (i.e. your phone directly connected to your AC86U)
    3) Can you test your phone on your wifi network (with the Lyra Voice switched on) to see if the link speed on the phone reduces from 866Mbps to 433Mbs (and can you see through AI MESH that your phone client is attached to your Lyra).

    I have Merlin Firmware 386.2 also on my Main router (AX88U) and mesh unit (AC66U B1)
    I have smart connect set to OFF
    I use WPA2 - Personal
    No specific channels set (all to Auto on both 2.4 and 5 GHz)
    I have channel bandwidth enable to include 160MHz (wireless General tab)
    I have Modulation scheme up to MCS 11 (wireless professional tab)
  • 23
    k5tUT1V.png

    LineageOS 18.1 for herolte

    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.
    */

    Working:
    - Wifi
    - Sound
    - mali drivers
    - USB tethering
    - HW Backed video Playback
    - Ril (Mobile data,calls, sms and stuff)
    - Sensors
    - Buttons and their backlight
    - Bluetooth
    - Wifi HotSpot
    - MTP
    - 2D and 3D gpu acceleration
    - HW encoding/decoding
    - HWcomposer (HWC)
    - Charging with device powered off
    - Stuff I didn't test yet
    - Camera
    - GPS
    - Fingerprint Sensor
    - Mobicore
    - SW codecs

    Not Working
    -



    Take a note that a lot of LineageOS features have not been completed yet this is not a device bug and please do not report those
    in this rom thread as you will be reported to moderator also do not post bug reports for known issues or bug reports without proper
    a) Logcat
    b) proc/last_kmsg (or proc/kmsg)
    c) data/tombstones
    d) dmesg

    Also do not under any circumstances post bug reports if you are using substratum themes or unsupported magisk modules or you have performed any system modifications



    Install gapps right after installing the rom itself dont try to boot to system before that if you want to use gapps
    NikGapps and BiTgapps were both tested and working

    Downloads:
    If you are coming from pre January 2021 build remove fingerprints and delete /data/system/locksettings.db this is needed due to mobicore version change which helped fix fingerprint with 3rd party secure apps
    Google Drive
    Mega.nz
    MD5: 7ef3864160088c48b5ed3f4d332dd171

    I do this in my free time so bear that in mind when you notice I didn't fix known bug in next available build, Currently i work on this alone and i am not one of those kangers that just copy source and claim it as their own work,
    if you want to support the project feel free to buy me some coffee paypal.me/ivanmeler




    Feel free to join telegram group with early builds progress updates and some off topic stuff Join

    Due to requests from some users I added signature spoofing support to the rom which allows usage of MicroG
    you can simply install MinMicroG and grant it needed permissions for signature spoofing to make it work as intended


    Based On Android 11/R
    Changelog

    07.04.2021.
    - Fixed Vulkan
    - Disabled WPA2 to WPA3 auto-upgrade (This caused issues on some wifi networks)
    - Rebased AntiFlicker and livedisplay support
    - Performance and stability improvements
    - Synced April 2021 Security Update
    - Synced with LOS source

    22.03.2021.
    - Added signature spoofing support for MicroG
    - Cleaned up codebase
    - Misc performance and satbility improvements
    - Synced with LOSsource

    04.03.2021.
    - Fixed Mouse pointer icon when using an external mouse
    - Improved swcodec handling
    - Performance and stability improvements
    - Merged March 2021. security update
    - Synced with LOS source

    18.02.2021.
    - Fixed cover case display states being flipped
    - Improved renderscript handling
    - Further imrpoved selinux policies and fixed denials
    - Fixed binder related vurnability in kernel
    - disabled zcache compression which could caue kernel panics
    - Misc performance and stability improvements
    - Synced with LOS source

    05.02.2021.
    - Improved HWC handling
    - Added always on display
    - Fixed issue where some games would show swapped colors
    - Rebased sepolicy
    - Fixed hwc selinux denials that slowed down UI
    - Added support for smart cover cases
    - Imrpoved renderscript performance
    - Imrpoved offline charging (New animation and it should recognize wireless charger while phone is off now)
    - Misc performance and stability improvements (A lot of them, as always you can check github and lineageos gerrit)
    - Merged February 2021. security update
    - Synced with LineageOS source

    24.01.2021.
    - Fixed HWC
    - Drastically improved performance and battery life
    - Added back flicker free dimming and fast charging switch (Now as hiidl interfaces)
    - Switched to samsungs DT2W driver used on AOD on stock (Battery life improvements)
    - Added custom LiveDisplay modes
    - Disabled some excess logging
    - Cleaned up codebase

    13.01.2021.
    - Merged januart 2021 Security Updat
    - Fixed issues with fingerprint in 3rd party secure apps (banking apps paypal password managers)
    - Updated prebuilt binaries
    - Cleaned up mixer paths
    - Added neural network drivers
    - Disabled p2p mac randomization
    - Fixed wifi direct
    - Removed unused 32bit drivers
    - Improved performance and stability
    - A lot more unmder the hood changes

    22.12.2020.
    - Merged december 2020 security update
    - Fixed volume adjustment with audio
    - Drastically improved audio quality
    - Merged December pixel feature drop
    - Fixed noise cancelling in call
    - Misc performance and stability improvements

    24.11.2020.
    - Fixed in call audio (Volume changing in call is still somewhat broken)
    - Merged November 2020 security update
    - Imrpoved BT audio handling
    - Selinux is back in Enforcing mode
    - Fixed signal strenght indicator for all network modes (2g/3g/4g)
    - Fixed soft buttons backlight handling
    - Fixed fingerprint recognition in some apps (Non secure ones for now)
    - Fixed glove mode
    - Misc performance and stability improvements
    - Synced with LOS source

    06.10.2020.
    - Improved brightness slider range
    - Improved microphone input in some voip apps
    - Synced with LOS source

    05.10.2020.
    - Initial release



    XDA:DevDB Information
    LineageOS 18.0 for S7, ROM for the Samsung Galaxy S7

    Contributors
    Ivan_Meler
    Source Code: https://github.com/8890q/android_kernel_samsung_universal8890/tree/lineage-18.1

    ROM OS Version: Android 11
    ROM Kernel: Linux 3.18.x

    Version Information
    Status:
    Stable
    Current Beta Version: 0.6.5
    Beta Release Date: 2021-01-24

    Created 2020-10-05
    Last Updated 2021-01-24
    20
    New builds are up here is a brief changelog

    - Improved HWC handling
    - Added always on display
    - Fixed issue where some games would show swapped colors
    - Rebased sepolicy
    - Fixed hwc selinux denials that slowed down UI
    - Added support for smart cover cases
    - Imrpoved renderscript performance
    - Imrpoved offline charging (New animation and it should recognize wireless charger while phone is off now)
    - Misc performance and stability improvements (A lot of them, as always you can check github and lineageos gerrit)
    - Merged February 2021. security update
    - Synced with LineageOS source

    As always big thanks to everyone who donated and helped support this project (It covers coffee and build server cost) and keeping s7 alive with yet another android version 5 years after phones release
    18
    New builds with yet another months worth of security updates and some extras is up, here is a brief changelog
    - Fixed Vulkan
    - Disabled WPA2 to WPA3 auto-upgrade (This caused issues on some wifi networks)
    - Rebased AntiFlicker and livedisplay support
    - Performance and stability improvements
    - Synced April 2021 Security Update
    - Synced with LOS source

    As always big thanks to everyone who donated as that helped offset the build server cost and keep the project alive with yet another android version

    17.1 builds will be updated in a few days
    Enjoy new build and stay safe
    17
    New builds are up and as per requests of some people Signature spoofing support is added (In a way that doesnt make it a security threat as app has to be flashed to system,have proper priv-app xml permissions and user has to explictly grant permission for the given app) you can sue it with MinMicroG

    Other than that there are just some performane and satbility improvements, here is a brief changelog
    - Added signature spoofing support for MicroG
    - Cleaned up codebase
    - Misc performance and satbility improvements
    - Synced with LOSsource

    Big thanks to everyone who donated as their donations help cover the build server cost and keep the device alive more than 5 years after release with up to date OS and security patches
    15
    New build is up with few small fixes here is a brief changelog

    - Fixed cover case display states being flipped
    - Improved renderscript handling
    - Further imrpoved selinux policies and fixed denials
    - Fixed binder related vurnability in kernel
    - disabled zcache compression which could caue kernel panics
    - Misc performance and stability improvements
    - Synced with LOS source

    Big thanks to everyone who supported this project as their donations helpo with build server cost and coffee, enjoy new build and stay safe
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