[ROM][7.1.2] LineageOS 14.1 + Substratum

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Senior Member
Apr 1, 2015
After all bugged oreos i wanted to gat back to nougat, saw this thread and comments
I thought lets give it a try...
Andd ohh mannn was i wrong..
This is the most smooth nougat rom i tried ..
And the backup is also good
Its more smooth that oreo buildsss.

Pls dev continue this work.. I will use this rom only from now on


Senior Member
Aug 12, 2012
Flash the baseband beta version from the below thread


Or flash the fastboot rom 9.2 from MIUI downloads website and then flash this Lineage build. Be careful not to tick the lock bootloader or erase all option in MiFlash tool.

Have you enabled VoLTE services for your carrier in Settings?

After changing apns-conf.xml from oreo rom to this rom... Volte starts working....


Senior Member
Nov 17, 2013
Redmi K20 Pro
@merothh Thanks for this great rom mate... Been using this from 1 week and encountered no issues so far... Very underrated.
One feature suggestion though, can you add Color Engine also? The one I particularly like is from ViperOS as it works alongside substratum without conflicts.
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Senior Member
Sep 6, 2014
@merothh Thanks for this great rom mate... Been using this from 1 week and encountered no issues so far... Very underrated.
One feature suggestion though, can you add Color Engine also? The one I particularly like is from ViperOS as it works alongside substratum without conflicts.

Don't have enough time to add more features to this ROM. I'll keep it in mind.
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New member
Feb 1, 2018
I hope this is read by one of the creators.
Wonderful operating system based on 7.1.2 for Redmi Note 4.
1. Battery lasts 3-4 days.
2. Works normally without Google services and the Google Play Store.
3. Super fast operation of the phone.
2. Contacts. There is no SIM card editor anywhere. Favorites and frequently used numbers are mixed. Chronology is good.
3. Calendar. It is strongly connected to Google Play Services, I do not want sync there.*There is no soundnotification and vibration when the event is saved.
4. GPS location. Requires only satellite connection. For wifi or 3G / 4G does not work.
5. Certain phone numbers can not ring with different ringtones.
I apologize for the mechanical translation.


Senior Member
Apr 1, 2015
Also I'm thinking about bringing in the new icons from LinegaeOS 15.1.

Yes yes yes yes yesss

Bro one more thing i wanna ask

Can you compile more roms other than lineage?? Like pure aosp ? Or any other u like?
I love your work
Its the best loneage 14.1 rom i used

---------- Post added at 04:51 AM ---------- Previous post was at 04:50 AM ----------

in your latest build my led is working a bit strange .. only 1 color
Flash franco kernel it fixed my led probelm, i had same


Senior Member
Oct 25, 2009
2 questions:
1) Do I flash first the mido 9.0.3 rom and then unlock the bootloader or viceversa? (as in would I have to unlock it twice if I flash the rom afterwards)
2) This rom and the official one are not the same, right?
What are the differences?
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     * I'm not responsible for bricked devices, dead SD cards, thermonuclear war, or you getting fired because the alarm app failed (like it did for me...). 
     * Please do some research if you have any concerns about features included in the products you find here 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. 
     * Your warranty will be void if you tamper with any part of your device / software.
     * Same statement for XDA.

    LineageOS is a free, community built, aftermarket firmware distribution of Android 7 (nougat), 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. Linked below is a package that has come from another Android project that restore the Google parts. LineageOS does still include various hardware-specific code, which is also slowly being open-sourced anyway.

    All the source code for LineageOS is available in the LineageOS Github repo. And if you would like to contribute to LineageOS, please visit out Gerrit Code Review.

    What's working :
    • Boots
    • RIL (Calls, SMS, Data)
    • Fingerprint
    • IR Blaster
    • Wi-Fi
    • Bluetooth
    • Camera
    • Camcorder
    • Video Playback
    • Audio
    • Sensors
    • Flash
    • LED
    • GPS

    Known issues:
    • None

    Instructions :
    • Have Unlocked Bootloader
    • Flash TWRP
    • Have Nougat Firmware installed. (Important)
    • Download the latest Build and [URL='http://opengapps.org]Google Apps[/URL]
    • Reboot to recovery
    • Flash the latest build and GApps
    • Reboot

    Downloads :

    Sources :

    Credits :

    XDA:DevDB Information
    LineageOS 14.1 + Substratum, ROM for the Xiaomi Redmi Note 4

    ROM OS Version: 7.x Nougat
    Based On: LineageOS

    Version Information
    Status: Stable

    Created 2017-11-17
    Last Updated 2017-11-20
    @merothh , sorry for asking but is there any updated build coming with recent lineage updates ?? Thanks.

    Welp. Since you asked. Thanks a ton to @arghyac35 for providing me with his server and all the support.

    New build is up !

    Changes (Notable)

    . Updated all forked repos
    . Fingerprint sensor should be faster when unlocking from sleep
    . Lawnchair is the default Lawncher
    . Round icons are the default now


    I've been working on something else recently which is why this went under the radar. Feel free to ask for updates sanely lol
    New build is up !

    Changes (Notable)

    . December Security Patches
    . Fixed Borked Bootanimation Resolution (How did we not notice this ? lol)
    . Updated all my forked repos

    Link:- https://drive.google.com/file/d/1G2O7egZgVRRxf34cEHGlHEePp9ju9iK6/view?usp=drivesdk
    New build is up !

    Changes (Notable)

    . Updated all of my forked repos
    . Security Patch > March
    . Updated all the prebuilt apps.

    Link:- https://androidfilehost.com/?fid=818070582850507180
    * Substratum Support

    * Network Speed Indicator

    * Increased Speaker Volume

    * HAL3 enabled by default

    * AOSP SystemUI and Settings colors instead of LineageOS's grey-black one

    * Custom Bootanimation

    * Fixed incorrect Bluetooth MAC address

    * VoLTE icon

    * Mutable Screenshot Sounds

    * Lawnchair , RetroMusic as default Launcher and music player.
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