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[ROM][Unofficial][10.0][signed][OTA] Lineage OS 17.1 for Xperia Z1 compact

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115ek

Senior Member
Jan 30, 2017
564
632
It may be a stupid question, but why is it not possible? Shouldn't microG core be updateable like any other system app?
Is there a way to allow updating by F-Droid?

Android apks need to be signed with a developer's key. For the first installation of an app this signature doesn't matter. However, if you want to install an app with the same package name (typical update scenario) the android package installer checks if the apk was signed by the same key as the previously installed. If the signatures don't match, the installation aborts.
That way you can prevent installing non-trustworthy updates (you have to trust the first package signature anyway...).

All apps found in fdroid are signed with fdroid's keys. The microg apks published on the microg website are signed with some microg keys (and also the ones provided in the microg fdroid repo). And as we also build microg from source - you can already imagine - the packages are signed with our keys.
Building microg from source has a historical background. When we started, microg was lacking some commits. Making all things working correctly required applying own patches. Nowadays, the microg maintainer (@MaR-V-iN) is back in the game and these things are merged upstream. However, switching back isn't simply possible as the signatures differ. The only way (I currently know of) would be a manual deinstallation of the affected packages. In connection with OTA updates this is really tricky.

So if you want to update microG from fdroid, you have to remove the existing microg installation. But then any further OTA update will break ;)

Anyway: We provide builds every month including google's monthly ASB's. I think that's an acceptable timeframe. As this also happens as OTA update, there isn't a huge effort for you.
Once we stop the builds (as happened with 15.1 already), you could simply use the "original" microg to be able to update it further.

EDIT: Please have a look at the post below by @MSe1969 for more details. He's the one behind all the microg related stuff in our builds.
 
Last edited:
It may be a stupid question, but why is it not possible? Shouldn't microG core be updateable like any other system app?
Is there a way to allow updating by F-Droid?
The answer is more complicated. Originally, I was using the original apk (which means: updatable via F-Droid), which - about more than 7-8 months ago hadn't received any updates since long and due to developments by Google in the FCM area, more and more issues with apps depending on Google functionalities have occurred, when these apps were updated.
So I decided to switch to the /e/ fork, which has temporarily solved a lot of issues, as it was addressing these issues.
When the original microG started to be very actively maintained again some months ago, I decided to switch back - however, I have learned the hard way, that the switch isn't that trivial in fact:
Different apk signature means to factually deinstall and reinstall the app during a ROM update. The /e/ fork has FCM enabled by default, so all app registrations have "survived" the switch, despite microG app data being purged during switch. But the original microG apk has FCM disabled by default! This means that during a switch (ROM with different apk signature flashed), all FCM registrations of apps with respective dependencies would get lost! In that case, it is unfortunately not always possible to simply re-enable it - for specific apps, that would mean having to even reinstall them!
Therefore I build microG myself with a patch to have FCM enabled by default.
Further, often, I could ship a microG having already further commits than the official release and releases have appeared ~every 2 months. Only very recently, the release frequency seems to have become monthly. So in the past, you could even benefit from developments for EN api as part of my monthly ROM release, before they were officially available...
 
New builds available with January 2021 ASB patches

Hi all, new builds are available for download and also offered as OTA update:

A. Standard LineageOS 17.1 build
  • ASB Security string 2021-01-01
  • Kernel slightly upstreamed
  • System Webview: Fix of persistent histogram bug (eating space in some cases)

B. Pre-installed microG build variant with additional security patches
  • ASB Security string 2021-01-01
  • Bromite Webview on 87.0.4280.131
  • Updated microG from upstream to 0.2.16.204713-10 (picked until 2f29b93)
  • Updated F-Droid to 1.10-alpha1-212
Happy flashing!

@115ek :
Please update the changelog. Further, if your previous build still points to "your" OTA repo, you would need to copy the amami.json file from our org. to your repo as a one-time activity.
 

115ek

Senior Member
Jan 30, 2017
564
632
Please update the changelog.
Done.

Further, if your previous build still points to "your" OTA repo, you would need to copy the amami.json file from our org. to your repo as a one-time activity.
I should have adapted it in the last build already.
If someone can't find this update in the OTA updater: please report here. We'll give a quick instruction how to fix that. We could also fix that for you ;)
 
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115ek

Senior Member
Jan 30, 2017
564
632
On two phones OTA does not find the update 14.01.2021. But no problem, I can flash it.
Thanks for reporting. I tracked down the problem. The build property ro.lineage.releasetype changed from UNOFFICIAL to UNOFFICIAL-signed.
As the updater checks for this property, you won't see the new OTA update if you're on my 20201218 standard version.

EDIT: This should be solved now automatically. No need for further user interaction.
There are 2 ways now to handle this:

1. Downloading the newest build manaully and dirty flash it. All further OTA updates are going to work then.
or

2. Change the build property manually and download the update via inbuilt OTA updater. All further OTA updates are going to work with this method as well.
  • enable adb and root over adb in developer options
  • connect device to PC with adb installed
  • adb root
  • adb remount
  • adb shell
  • nano /system/build.prop change ro.lineage.releasetype from UNOFFICIAL to UNOFFICIAL-signed
  • reboot
  • after restart check for updates again
Sorry for the inconvenience.
@MSe1969 Are you aware of a simpler way?
 
Last edited:
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There are 2 ways now to handle this:
. . .​
Sorry for the inconvenience.
@MSe1969 Are you aware of a simpler way?
Yes, there is one simpler way:
Change the property in the amami.json file in branch lineage-17.1 in the OTA repo. Just this one time. Can you do it? I'll be online only later this afternoon.
 
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115ek

Senior Member
Jan 30, 2017
564
632
Yes, there is one simpler way:
Change the property in the amami.json file in branch lineage-17.1 in the OTA repo. Just this one time. Can you do it? I'll be online only later this afternoon.

Ah, right. Too simple :p

Please comment if someone is still not able to find the new version via inbuilt updater.
 
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lm089

Senior Member
Jun 26, 2011
500
161
Munich
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android666

Senior Member
Jun 19, 2010
51
5
latest release (2021.01.14) disabling magisk functionality on my device. another experiences from magisk users ?
I have no clue how to root at this moment and I need it :-(
 
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115ek

Senior Member
Jan 30, 2017
564
632
latest release (2021.01.14) disabling magisk functionality on my device. another experiences from magisk users ?
I have no clue how to root at this moment and I need it :-(
I guess you're using a current magisk version.
Everything >20.4 is known to be broken as reported here.
However, magisk is absolutely not on my todo list as I don't use it and thus don't really care.
If someone comes up with a proper solution: We'll include it.
 
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tramp20

Senior Member
Jan 15, 2012
739
139
Rosenheim
latest release (2021.01.14) disabling magisk functionality on my device. another experiences from magisk users ?
I have no clue how to root at this moment and I need it :-(

Do you have a TWRP backup from the previous release with root?
Then you have to restore only the boot partition with TWRP (without data and system!).
You have to do this after every ROM update.
If you have success with this method you should make a TWRP backup only from root after every Magisk (release and canaries) update.
 

tramp20

Senior Member
Jan 15, 2012
739
139
Rosenheim
If someone comes up with a proper solution: We'll include it.

See my previous post.

My experiancies:
LOS 17.1: to get root for the first time install Magisk 20.4, no higher version can be installed, so you should download the package before it disappears.
Then it is no problem to update Magisk in the Manager to the newest versions.

LOS 18.1: as Magisk 20.4 can not be installed (too old) there is no chance to get root. I tried all possibilities (flashing Magisk with TWRP or patching boot.img with the MM).
At least you get a boot loop, or at worst TWRP is broken (tried several times).


Btw has SpiritCroc stopped development?
 
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  • 8
    New builds with July 2021 ASB patches available

    Hi all,
    new builds are available and already offered as OTA updates via the updater app.


    A. Standard LineageOS 17.1 build
    • Security String 2021-07-05
    • System Webview updated to 91.0.4472.101
    • Kernel: Many sec. patches applied (taken from Divest-OS, thanks to @SkewedZeppelin)

    B. Pre-installed microG build variant with additional security patches
    • Security String 2021-07-05
    • Bromite System Webview and Browser updated to 91.0.4472.146
    • Kernel: Many sec. patches applied (taken from Divest-OS, thanks to @SkewedZeppelin)
    • microG 0.2.21.212158-2
    • AuroraStore 4.0.7

    @115ek - please update OP/Changelog

    Regards, M.
    2
    Just installed it yesterday, everything is great. This ROM has LDAC support if anyone's wondering. Even Stock doesn't support LDAC. Thanks again.
    1
    • Kernel: Many sec. patches applied

    Awesome to see my CVE patcher used more!
    You might want to give it another run, I did a huge addition for 3.4 recently from @haggertk's 3.4 backports.

    You might also put the patches on an another branch, as patch output can change/improve overtime and it'll be easier to maintain that way.
    1
    I did already apply before Kevin's 3.4 backports from his LineageOS Samsung msm8974 branch and for the recent patching action with this ROM's Sony msm8974 kernel, I used the patches listed in here as this is also a msm8974 kernel in your 17.1 directory.
    Do you recommend to me to look further?

    And by the way, whilst I have the opportunity to communicate with you:
    As I prefer to truly apply the commits to my/our kernel forks, I have noticed, that few of your patches do not contain commit messages. For some of them, I found them and applied accordingly, but at least for that one I did not manage to find it.
    Do you have the commit message(s) handy?
    And if not - would you like me to make a pull request for those patches, where I was able to identify the originating upstream commit?

    > I used the patches listed in here

    The program is intended to be used to check which patches apply.

    > I have noticed, that few of your patches do not contain commit messages.

    Many of them are plain diffs due to various reasons, eg. Gerrit only gives base64'ed plain diff
    I'm happy to accept patches that replace diffs with matching patches.

    > but at least for that one

    That is https://lkml.org/lkml/2017/10/2/352

    --

    In case it isn't clear, patches are added to this file first https://raw.githubusercontent.com/Divested-Mobile/Kernel_Patches/master/Kernel_CVE_Patch_List.txt

    then downloaded with the program https://github.com/Divested-Mobile/CVE_Checker

    and also checked using the program

    you can use https://github.com/Divested-Mobile/CVE_Checker/blob/master/mk_dir_from_list.sh to convert the program output to a directory of the patches

    you can download prebuilts of the program here https://gitlab.com/divested-mobile/cve_checker/-/jobs/artifacts/master/browse?job=build

    furthermore a large amount of the patches in the list are extracted using this tool https://gitlab.com/cip-project/cip-kernel/cip-kernel-sec, you can add any kernel you want to the script config and extract matching patches from any given repository, and propagate that back into the final patch list


    edit: here is example output https://github.com/SkewedZeppelin/android_kernel_sony_msm8974/commits/fixup it contains an additional ~60 patches
    1
    LineageOS 18.1 "microG Variant" Testbuild

    Hi all,

    for the 2nd build variant ("microG build"), a test build on LineageOS 18.1 is available here:

    It has the same features, as described in the OP for this 17.1 build variant, with the following additions:
    - AuroraDroid app replaces F-Droid app to access F-Droid repositories
    - Option to only use fingerprint unlock for apps and not for the device
    - Optional timeout for Bluetooth and WLAN connections
    - Some more hardening features ported from GrapheneOS

    @115ek and I plan to switch completely to LineageOS 18.1 for both build variants (variant A is already available for LineageOS 18.1, as you for sure know). Right now, this is still a test build, this means we truly appreciate any feedback (especially, if things don't work as expected). And there definitely will be an update with ASB patches for August for both 17.1 build variants.

    Installation instructions:
    • Make a backup in TWRP

    • If your device is not encrypted, it is up to you whether you want to do a clean or dirty flash
    • Do or don't do a factory reset and flash the test build

    • If your device is encrypted, encryption is not compatible! It will be necessary to format the /data partition.
    • If you need to format the /data partition, make sure to before:
      - Backup the 'Internal memory' of your device
      - Watch out for your TWRP backup files and copy them, if needed, to your local PC
    • Format /data, reboot into TWRP and flash the above test build build and boot into an empty system (don't restore anything,yet)
    • Encrypt the device now - it'll take not very long until the device reboots - wait for the reboot to finish
    • Restore now the Internal Memory and reboot to TWRP
    • if you want to "dirty-flash", restore the nandroid backup now and afterwards, still in TWRP,
    • Flash the above test build again
    Feedback appreciated - Thanks & regards, M.
  • 19
    This thread aims at providing LineageOS 17.1 builds for the Sony Xperia Z1 compact with current security patches.
    You can consider this thread as a successor of our LineageOS 16.0 thread, where you may also find some useful information.
    This is the joint effort of 115ek and MSe1969 (contributions welcome).

    Code:
    #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. Hard & a lot.
    *
    */

    We offer two build variants:
    A. Standard LineageOS 17.1 build
    This build flavor aims at providing LineageOS 17.1 "as is" with most recent security patches.
    If you want to install Google Apps (GApps) you have to use this build variant.
    GApps are optional, of course. The smaller the GApps package, the better (pico). If you want "Okay google" support you need at least nano.
    Just check the package comparison to see what fits your needs.

    B. Pre-installed microG build variant with additional security patches
    For the security/privacy focused (more details about below feature list, see here)
    • Pre-installed microG and F-Droid same as the LineageOS for microG project
    • Pre-installed AuroraStore
    • eSpeak TTS engine (FOSS TTS solution)
    • Bromite as default browser
    • Additional security hardening features listed below
    • Cloudflare as default fallback DNS (instead of Google)
    • Privacy-preferred default settings
    • Optional blocking of Facebook- and Google-Tracking (Settings - Network & Internet)
    • Optional disable captive portal detection or choose from various providers (default is GrapheneOS and not Google; Settings - Network & Internet)
    • Increased max. password length of 64
    • No submission of IMSI/phone number to Google/Sony when GPS is in use
    • Default hosts file with many blocked ad/tracking sites
    • Privacy-enhanced Bromite SystemWebView
    • Extra control of sensor access for additionally installed user apps (Special access under app permissions)
    • Firewall (control internet access per app - under Trust)
    • Constified JNI method tables


    Status
    List template by AdrianDC
    Code:
    - Partitions (Data, Cache) : Ext4 and F2FS supported
    - Bluetooth : Ok
    - WiFi : Ok
    - WiFi Hotspot : Ok
    - RIL - Phone - Data : Ok
    - GPS : Ok
    - Camera : Ok
    - Camcorder : Ok
    - Lights : Ok
    - MicroSD : Ok
    - Accelerometer : Ok
    - Compass : Ok
    - Gyroscope : Ok
    - Touchscreen : Ok
    - FM Radio : Ok (mono)
    - ANT+ : Ok
    - Vibrator : Ok
    - Microphone : Ok
    - Audio & music : Ok
    - Bluetooth audio : Ok
    - MHL: broken
    - NFC : Ok
    - Kernel : Ok
    - Graphics : Ok
    - 3D Rendering : Ok
    - Clock : Ok
    - Offline Charging : Ok
    - USB : Ok
    - USB OTG : Ok
    - Encryption : Ok
    - SEPolicies : enforcing
    Limitations
    Following limitations are known:
    • NFC-HCE does not work (needed for example for google pay)
    • FM does not work in stereo mode (mono works fine, though)
    • MHL does not work
    • 5 GHz hotspot does not work (2.4 GHz hotspot works fine) (5 GHz option disabled with 2020-03-11 build as it isn't even available on stock)
    • GPS gets wrong time due to GPS week rollover since 3rd November 2019 (of importance when you record GPS tracks for example). fixed with 20200520 build
    • Using GApps AND encrypting the device may result in bootloops. More infos here.
    • Standard Trebuchet Launcher shows small artifacts in the fonts of app names in some situations.
    Download
    FAQ
    What recovery system to use?
    Please use this TWRP if you want to use OTA updates and/or encryption.

    What about root access?
    Root isn't included per default (except root over adb, but it's off by default).
    If you want to gain root access to your apps use magisk (everything > 20.4 is broken):
    ANT+ isn't working?
    You need the 2 apps:
    afterwards setting proper permissions is essential!
    1. Go to Apps & Notifications -> See All Apps
    2. Select 'ANT Radio Service'
    3. Select Permissions
    4. Select Additional permissions
    5. Slide switch to allow using of ANT hardware
    This refers to those instructions which worked for me :)
    I've got problems AND have magisk/exposed installed
    We won't support anything related to magisk/exposed/other heavily system modifying things.
    If you're encountering problems please make sure you're using a clean installation (at most gapps) to verify/reproduce the issue.

    Bugreports
    You'll find information about logging here.
    Please also note how you got the error or how it can be reproduced.
    Sources
    Credits
    • SpiritCroc: big thanks to him for maintaining the device trees and a lot of very useful hints
    • NeoArian: also big thanks to him ;)
    • rcstar6696
    • SuperLamic
    • drakonizer
    • AdrianDC
    • munjeni: thanks for tips and tricks
    • nailyk: thanks for tips and tricks
    • All the other contributors on sony msm8974 platform
    • LineageOS team

    Installation instructions


    XDA:DevDB Information
    Lineage OS 17.1 for Xperia Z1 compact - amami, ROM for the Sony Xperia Z1 Compact

    Contributors

    115ek, MSe1969, SpiritCroc, NeoArian, drakonizer, rcstar6696, SuperLamic, AdrianDC, nailyk, LineageOS team
    Source Code: https://github.com/lin17-microg/local_manifests

    ROM OS Version: Android 10
    ROM Kernel: Linux 3.4.x

    Version Information
    Status:
    Stable
    Stable Release Date: 2020-12-29

    Created 2019-11-22
    Last Updated 2021-07-10
    8
    New builds with July 2021 ASB patches available

    Hi all,
    new builds are available and already offered as OTA updates via the updater app.


    A. Standard LineageOS 17.1 build
    • Security String 2021-07-05
    • System Webview updated to 91.0.4472.101
    • Kernel: Many sec. patches applied (taken from Divest-OS, thanks to @SkewedZeppelin)

    B. Pre-installed microG build variant with additional security patches
    • Security String 2021-07-05
    • Bromite System Webview and Browser updated to 91.0.4472.146
    • Kernel: Many sec. patches applied (taken from Divest-OS, thanks to @SkewedZeppelin)
    • microG 0.2.21.212158-2
    • AuroraStore 4.0.7

    @115ek - please update OP/Changelog

    Regards, M.
    8
    New builds with May 2021 ASB patches available

    Hi all,
    new builds are available and offered as OTA updates via the updater app.

    A. Standard LineageOS 17.1 build
    • Security String 2021-05-05
    • System Webview on 90.0.4430.82

    B. Pre-installed microG build variant with additional security patches
    • Security String 2021-05-05
    • Bromite System webview updated to 90.0.4430.204
    • Bromite Browser updated to 90.0.4430.204
    • microG upstreamed (but no new version)
    • Update: AuroraServices 1.1.1

    @115ek - please update OP/Changelog

    Regards, M.
    7
    New builds with March 2021 ASB patches available

    Hi all, new builds are available and offered as OTA updates via the updater app.

    A. Standard LineageOS 17.1 build
    • Security String 2021-03-05
    • System Webview on 88.0.4324.152

    B. Pre-installed microG build variant with additional security patches
    • Security String 2021-03-05
    • Bromite System webview updated to 88.0.4324.207
    • Bromite Browser updated to 88.0.4324.207
    • F-Droid 1.11
    • microG 0.2.18.204714

    @115ek - please update OP/Changelog

    Regards, M.
    6
    Changelog

    10.07.2021

    • ASB Security string 2021-07-05
    • Kernel: Many sec. patches applied (taken from Divest-OS, thanks to @SkewedZeppelin)
    • standard build only:
      • System Webview on 91.0.4472.101
    • microG build only:
      • Bromite System Webview and Browser updated to 91.0.4472.146
      • microG 0.2.21.212158-2
      • AuroraStore 4.0.7
    14.06.2021
    • ASB Security string 2021-06-05
    • A few kernel patches
    • microG build only:
      • Bromite System Webview and Browser updated to 91.0.4472.102
      • Upstreamed microG (0.2.19211515-9)
    12.05.2021
    • ASB Security string 2021-05-05
    • standard build only:
      • System Webview on 90.0.4430.82
    • microG build only:
      • Bromite System webview updated to 90.0.4430.204
      • Bromite Browser updated to 90.0.4430.204
      • microG upstreamed (but no new version)
      • Update: AuroraServices 1.1.1
    11.04.2021
    • ASB Security string 2021-04-05
    • standard build only:
      • System Webview on 89.0.4389.105
    • microG build only:
      • Bromite System webview updated to 90.0.4430.59
      • Bromite Browser updated to 90.0.4430.59
      • F-Droid 1.12
      • Update: AuroraStore 4.0.4 with AuroraServices 1.1.0
    09.03.2021
    • ASB Security string 2021-03-05
    • standard build only:
      • System Webview on 88.0.4324.152
    • microG build only:
      • Bromite System webview updated to 88.0.4324.207
      • Bromite Browser updated to 88.0.4324.207
      • F-Droid 1.11
      • microG 0.2.18.204714
    07.02.2021
    • ASB Security string 2021-02-05
    • misc. kernel patches
    • microG build only:
      • Bromite System webview updated to 88.0.4324.141
      • Bromite Browser updated to 88.0.4324.141
      • F-Droid 1.10-alpha-234
      • microG 0.2.17.204714-5
    14.01.2021
    • ASB Security string 2021-01-01
    • standard build only:
      • Kernel slightly upstreamed
      • System Webview: Fix of persistent histogram bug (eating space in some cases)
    • microG build only:
      • Bromite Webview on 87.0.4280.131
      • Updated microG from upstream to 0.2.16.204713-10 (picked until 2f29b93)
      • Updated F-Droid to 1.10-alpha1-212
    29.12.2020
    • introduce microG build variant (see this post or the OP for more information)
    18.12.2020
    • synced LineageOS sources (security patch level December 05, 2020)
    08.11.2020
    • synced LineageOS sources (security patch level November 05, 2020)
    • Seedvault is included officially now (inbuilt backup solution)
    07.10.2020
    • synced LineageOS sources (security patch level October 05, 2020)
    13.09.2020
    • synced LineageOS sources (security patch level September 05, 2020)
    17.08.2020
    • synced LineageOS sources (security patch level August 05, 2020)
    13.07.2020
    • synced LineageOS sources (security patch level July 05, 2020)
    16.06.2020
    • further GPS improvements
    • synced LineageOS sources (security patch level June 05, 2020)
    20.05.2020
    11.05.2020
    • synced LineageOS sources (security patch level May 05, 2020)
    16.04.2020
    • synced LineageOS sources (security patch level April 05, 2020)
    15.03.2020
    • fixed livedisplay
    • fixed OTA update URL
    11.03.2020
    • remove 5GHz hotspot option as it isn't available even on stock
    • start signing builds
    • enable OTA updates
    • synced LineageOS sources (security patch level March 05, 2020)
    28.02.2020
    • fixed sony bootlogo
    • fixed TWRP time bug
    25.02.2020
    • fixed buggy bootanimation
    11.02.2020
    • DRM fix (Netflix and co should work now)
    • synced LineageOS sources (security patch level February 05, 2020)
    01.02.2020
    • SE enforcing
    • synced LineageOS sources (security patch level January 01, 2020)
    22.11.2019
    • initial release