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[ROM][10.0][UNOFFICIAL] LineageOS 17.1 for Mix 3 5G [andromeda]

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ajx11

Member
Mar 19, 2013
11
1
Thanks for the reply, I managed to get a working set of gapps off a Google search lol. Unfortunately the 18.0 version of Lineage rom is very buggy. Out of curiosity I tried the pixel experience 11 rom, which surprisingly runs very well! Been using that for a while now with hardly any issues.
Pixel Experience 11? Where did you get it?
 

theawesomecw

Senior Member
Mar 27, 2016
71
18
20
Sydney
Xiaomi Mi Mix 3 5g
Hi all.

I'm truly stuck. Have had issues where I'm not able to charge properly, where charging in Android happens very slowly, and I'm talking 100mA according to Ampere.

I came from Pixel Experience (Android 10) where this was an issue identified and fixed. I still had issues. This was why I left.

Clean installed, just tried LineageOS (Android 11) and am having the same issues.

I'm truly stuck. Have been told in the past to charge in Recovery which does work. Unfortunately, I'm a food delivery driver so I often use my device on-the-go for my work. I can't use my phone like this.

Thoughts?

Hey, just wanted to put this out there in case anyone else has the same problem.

So! After installing Pixel Experience Android 11 Beta upon positive feedback from above, I had the same battery issues.

However! What I have come to realise, is that I tried a few other USB-C cables, and using Ampere, those actually charged the phone properly. Previously, I'd only ever tested it with two Momax Elite Link cables that I bought at the same time, at different lengths. Perhaps it has something to do with how those cables communicate with the phone.

Just wanted to put this out there. I know some people even after Offline Charging was fixed still had charging issues. Not sure if Inkypen will see this, but if he does, I think this would be something very interesting to look into. In all my experience trying out Snapdragon Note 3 ROMs, I've never seen anything like this.
 

Inkypen

Senior Member
Aug 19, 2018
426
1,318
London
Hey, just wanted to put this out there in case anyone else has the same problem.

So! After installing Pixel Experience Android 11 Beta upon positive feedback from above, I had the same battery issues.

However! What I have come to realise, is that I tried a few other USB-C cables, and using Ampere, those actually charged the phone properly. Previously, I'd only ever tested it with two Momax Elite Link cables that I bought at the same time, at different lengths. Perhaps it has something to do with how those cables communicate with the phone.

Just wanted to put this out there. I know some people even after Offline Charging was fixed still had charging issues. Not sure if Inkypen will see this, but if he does, I think this would be something very interesting to look into. In all my experience trying out Snapdragon Note 3 ROMs, I've never seen anything like this.

The thing about USB type C is that the connector is reversible. This implies that the connector should be wired up in the same way irrespective of the orientation of the plug. Unfortunately some manufacturers don't wire up the connector fully on one side in order to save costs. Generally if you have a USB cable that won't fast charge, unplug the connector and flip it 180 degrees and reinsert into the phone. Bet you it starts fast charging now :)

I also make some ROMs for the Snapdragon Note 4, these older Samsung devices have a micro USB connector which is not reversible, so of course you wouldn't have come across this before ;)
 

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  • 9
    2okPze5.png

    LineageOS is a free, community built, aftermarket firmware distribution of Android 10 (Q), which is designed to increase performance and reliability over stock Android for your device.

    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.
    *
    */

    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:
    Almost everything

    Broken:
    You tell me

    Compatibility:
    This is for Mi Mix 3 5G (andromeda) only. Not compatible with regular Mix 3 (perseus)

    Downloads:
    https://sourceforge.net/projects/xiaomi-andromeda/files/

    Installation:
    Reboot to recovery
    Wipe /system, /vendor, /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:
    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.

    XDA:DevDB Information
    LineageOS, ROM for the Xiaomi Mi Mix 3

    Contributors
    Inkypen
    ROM OS Version: Android 10
    ROM Kernel: Linux 4.x
    Based On: AOSP

    Version Information
    Status:
    Testing

    Created 2020-06-08
    Last Updated 2020-06-08
    4
    Additional installation instructions if coming from stock MIUI:

    In order to install a custom ROM you must have an unlocked bootloader. You can apply for this at Xiaomi's official site: https://en.miui.com/unlock/

    You then need to install a custom recovery. Official TWRP builds are available, and the official maintainer has a thread with installation instructions here: https://forum.xda-developers.com/mi...covery-unofficial-twrp-xiaomi-mi-mix-t3941867

    Once you have TWRP installed, boot into recovery mode. Wipe cache,dalvik,system,vendor partitions.

    You are strongly advised to flash the latest modem firmware. You can grab that here: https://sourceforge.net/projects/xiaomi-andromeda/files/firmware.zip/download

    WARNING: You will lose all saved files on your internal storage in the next step, make a backup of important files before proceeding

    Data partition must be formatted (not wiped) to remove forced encryption. Use the bottom right "Format Data" button in the Wipe menu. You will be asked to type "yes" to confirm your choice.

    At this point your internal storage will be empty. Copy the ROM from your PC to the phone, click install in TWRP and select the ROM. If you wish to install gapps/nanodroid, copy it to the phone and install after the ROM. Once you have flashed the ROM and any add ons, you must format internal storage again. Internal storage must be completely empty for the very first custom ROM boot, once a custom ROM has been installed and you want to swap to a different one, further formatting is not necessary.

    Reboot back to system and enjoy custom ROM goodness :)
    3
    Sorry guys, I've been quiet on the XDA forum because the telegram support group is just faster and more convenient. As some of you have seen I've been working on Lineage 18. The latest build has almost everything working including 5G.

    In relation to Magisk, many devices seem to have a problem with A11 and Magisk. I have discovered a method to get it to work though:

    Boot into recovery and flash Magisk 20.4 then reboot.

    Phone will loop on Mi/Mix logo.

    Boot back into recovery and flash Magisk 21.1 then reboot.
    3
    The LineageOS team have added in Qualcomm's Bluetooth stack so I've uploaded a new build. You probably won't notice any changes because these are "under the hood" improvements, but if you have some high end headphones you may hear a difference!

    Also this build and all future builds have encryption enabled. Unfortunately this means you will need to format your data partition in order to install this build, but this is a one time only thing. I can also confirm that F2FS is working perfectly with encryption if you wish to change filesystems. I can also confirm you can switch to a different ROM without formatting (just the usual wipes) so long as the new ROM you are installing is also encrypted. This change might mean that you can come straight from MIUI without formatting but this is completely untested by me.

    Here's the link, and remember you MUST format internal storage if you are on an unencrypted build:
    https://sourceforge.net/projects/xi....1-20200630-UNOFFICIAL-andromeda.zip/download