If you operate either a Xiomi Redmi 6 or 6 A which are also known as cereus (Redmi 6) and cactus (Redmi 6A), then you’re in for some great news!
GSI is an acronym for Generic System Image. The tag Generic is used to reveal that software images can be uploaded on any Treble-enabled device (both Redmi 6 and Redmi 6A are enabled) regardless of the manufacturer.
You can easily find a list of devices supported for Android Pie 9.0 GSI. Full list of all GSI supported ROMs can be found here.
Just the other day, the ROM development community fully boosted Custom ROM development thanks to the Project treble input.
Custom Android Firmware for Redmi 6A (cactus)
We’ll start with listing few Custom ROMs and then we’ll continue with GSI firmware.
Download AEX 5.8 for Redmi 6A
Developed by Utkarsh.
Very clean and fast Custom ROM with a lot of positive reviews. Very similar to AOSP, but comes with a lot of additional features and settings.
How to install AEX 5.8?
Boot into TWRP Custom Recovery.
Wipe Data, Dalvik, System, and Cache.
Install the downloaded ROM .zip archive.
Install vendor file through TWRP:
Optionally proceed with GAPPS installation.
Reboot into TWRP once again.
Install additional SMS and Call fix.
Reboot once again and use Magisk to install DolbyAtmos fix.
Final reboot and you can continue using your freshly installed firmware.
Please check out the following posts to find download links and installation tutorials for these custom ROMs. We decided that these ROMs deserve separate posts and guides.
GSI / Project Treble ROMs for Redmi 6A
You can check this source for different GSI ROMs: https://androidfilehost.com/?w=files&flid=282119. Most of these ROMs are tested and work pretty good. Keep in mind they all share the same issues: call volume regulation isn’t working, wifi hotspot and USB modem aren’t working as well.
How To Install Lineage OS 15.1
Thanks to the latest Lineage OS 15.1 release, you can upgrade your phone’s firmware to match up Android 8.1 Oreo. The guide below will take you the steps you need to install the Lineage OS 15.1 for whichever device (cereus or cactus).
distinguished XDA developer created the GSI Lineage OS 15.1 build and
together with the team behind Lineage OS made it possible to upgrade
ROM is based on the Android 8.1 Oreo Os, also known as modular ROM.
install the software (Lineage Os 15.1) on your Xiaomi Redmi and Redmi
6A your smartphone should have both the latest TWRP Recovery and the
Having the two installed makes it easy to download and install the Lineage OS 15.1 on your phone. For a successful install, follow our guide on the best steps to take on the upgrade process here.
OS 15.1 and Features Explained
OS 15.1 is the newest Stock Custom Firmware that mirrors the stock
Android 8.1 Oreo Android Open Source Project.
with the official Android 8.1 features, the Lineage platform comes
with a plethora of features as well as customization options that
will elevate your smartphone beyond the Stock firmware element.
OS has coined a name in the aftermarket firmware space. The platform
is courtesy of the team that is credited with creating cyanogen.
in the Android domain, Lineage Operating System serves as the best
Custom ROM that comes with plenty of features.
Users will be happy to know that the Lineage Operating System 15.1 for cereus (Xiaomi Redmi 6) comes with a weekly as well as a nightly update to fix any bugs or issues. You can as well download and use it as your daily driver!