[ROM][DISCONTINUED] LineageOS 18.1 for Xiaomi Mi MIX 2S

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NoGoodUserNamesLeft

Senior Member
Feb 15, 2017
125
72
GT-i9250
LG Nexus 5X
Great ROM. Using it as daily driver. But there has been a long delay since last official weekly update. Will this be continued or dev has decided to move next update to Android 12?
Today lineage-18.1-20211217-nightly-polaris-signed.zip became available: https://download.lineageos.org/polaris

I think the build from last week is missing because of a compilation error, which was fixed several days ago: https://review.lineageos.org/c/LineageOS/android_device_xiaomi_sdm845-common/+/320415/
 
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Arun Av

Senior Member
Mar 2, 2012
510
236
Kolkata
Xiaomi Mi Mix 2S
Today lineage-18.1-20211217-nightly-polaris-signed.zip became available: https://download.lineageos.org/polaris

I think the build from last week is missing because of a compilation error, which was fixed several days ago: https://review.lineageos.org/c/LineageOS/android_device_xiaomi_sdm845-common/+/320415/
Yes I noticed the update from my phone and updated straightaway. Did OTA update because I have lineage os recovery. Everything went smoothly.
 

ilyvasile

Member
May 9, 2014
8
2
26
Moscow
Last edited:

Dreamkey

Member
Apr 23, 2011
23
0
Just updated my phone with the latest version (lineage-18.1-20220107), unfortunately the brightness bug is still there.
Compared to MIUI 12 it uses 1GB less of disk space!

Though I have this annoying bar at the very bottom of my screen, under the keyboard: does anyone know how to hide it?
OOWmClD.png
 

Allexio

Member
Nov 10, 2018
15
0
Hi,
Until now, I had an 18.1 version from august or september that worked fine, and I decided to update today to the latest version via the integrated updater and now my phone doesn't boot (lineageOS loading animation shows up for like 10 seconds and then phone reboots to TWRP).

Am I supposed to update something else apart from the system?

I have tried manually installing (via TWRP "install") the latest update (20220107) and the previous update (20211231) and I still get the same issue...

UPDATE:
Okay so it turns out that I had to reinstall gapps after the update which is very weird to me as it didn't seem to be required, but doing it has completely fixed my problem. So if anyone is having this same issue, simply install the updated lineage OS zip and then install the gapps zip that you need.
 
Last edited:

-=Serzh=-

Member
Apr 5, 2021
31
8
Xiaomi Mi Mix 2S
I have a problem with reading MIFARE Plus X NFC cards. Phone can't read a transport card for Moscow - Troyka. App can't read this card. I don't have this problem on stock firmware.
 

ioto

Member
Mar 4, 2013
46
6
Is anyone having issues with dual SIM setup? Just a year ago when I used two SIMs simultaneously on my Mi Mix 2S I suffered random disconnections, forcing me to disable data from one SIM or the other in order to get data access back, now that I just come back to dual SIM It's happening again. I feel that this sometimes happens when turning WiFi on.

What do you think that can be the problem here, SW or HW @bgcngm ? If SW how can I help debugging these networking issues?
 

ioto

Member
Mar 4, 2013
46
6
Is anyone having issues with dual SIM setup? Just a year ago when I used two SIMs simultaneously on my Mi Mix 2S I suffered random disconnections, forcing me to disable data from one SIM or the other in order to get data access back, now that I just come back to dual SIM It's happening again. I feel that this sometimes happens when turning WiFi on.

What do you think that can be the problem here, SW or HW @bgcngm ? If SW how can I help debugging these networking issues?
Also having problems with calls on speaker mode, either Skype/WhatsApp videocalls or just phonecalls. Sounds coming get cut out, either one of my microphones is failing or there is a software issue.

Any help on these issues, @bgcngm ?

Thank you !
 

ioto

Member
Mar 4, 2013
46
6
Is anyone having issues with dual SIM setup? Just a year ago when I used two SIMs simultaneously on my Mi Mix 2S I suffered random disconnections, forcing me to disable data from one SIM or the other in order to get data access back, now that I just come back to dual SIM It's happening again. I feel that this sometimes happens when turning WiFi on.

What do you think that can be the problem here, SW or HW @bgcngm ? If SW how can I help debugging these networking issues?
Also having problems with calls on speaker mode, either Skype/WhatsApp videocalls or just phonecalls. Sounds coming get cut out, either one of my microphones is failing or there is a software issue.

Any help on these issues, @bgcngm ?

Thank you !
I can't recieve SMS on my first SIM in a Dual SIM setup.

Any advice, @bgcngm ?
 

liverhook

Senior Member
Aug 7, 2015
50
2
Xiaomi Mi Mix 2S
Hello,
I want to update from LOS 17.1 to 18.
Do I before that have to care about to intall a new / current baseband version (if there is any) and / or a new, current firmware? I've attached a screenshot of my device info.
If yes, how do I do that and which files are where to download?
 

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    LineageOS is a free, community built, aftermarket firmware distribution of Android 11 (R), 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. 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.

    Base source code is available in the LineageOS Github repo. And if you would like to contribute to the project, please visit our Gerrit Code Review.

    GPL compliance:
    yG18r6g.png

    Working:
    • Camera (and flashlight)
    • WiFi
    • NFC
    • Bluetooth
    • Telephony (Calls and Data)
    • IMS (RCS, VoLTE and WiFi Calling)
    • Audio (Record and Playback)
    • Video Playback
    • Sensors
    • GPS
    • Encryption (FBE)
    • WiFi Display

    Broken:
    • Nothing (?)

    Compatibility:
    Compatible with all Xiaomi Mi MIX 2S variants.​
    Builds are based off the Xiaomi's Android 10 firmware with proprietary blobs from MIUI v11.0.4.0 global stable package.​

    Downloads:

    Notice:
    • No custom kernels are supported in this thread. Only stock kernel and official builds will be supported. No bug reports if that's not the case.

    Installation:
    • Reboot to recovery (TWRP recovery for Mi MIX 2S)
    • Format /system, /data and /cache
    • Install LineageOS zip package
    • Install [optional] a Google Apps package of your choice (Open GApps is advisable, but stock and super variants are not recommended!!!)

    Important notes:
    • * Required * firmware version must be based on MIUI Q-based builds.
    • GApps can only be flashed on clean installs.
    • Formatting data (all user data is wiped, including internal storage) is a must if MIUI was previously installed and device was encrypted.

    Credits & collaborations:
    All LineageOS team would like to thank everyone involved in helping with testing, coding, debugging & documenting! Enjoy!​

    Device wiki:
    8
    Lots of updates for the upcoming build. :D
    7
    No new build this week @bgcngm ?
    Official nightly should be out real soon.
    7
    New build is up, with this month's Android security fixes already included and working Bluetooth A2DP and WiFi Display.
    7
    Thank you everyone for testing the NFC configs. :) Upcoming build will include the fix.