Building and installing
There are multiple installation methods for your Xiaomi Redmi Note 8 Pro. They all rely on flashing one or more partitions on your device.
All installation methods can lead to data loss.
Flashing a partition will erase everything on the partition. Additionally,
the common backups methods, e.g. TWRP, will not backup the
This will produce a folder with a flashing script, and the partition images for your Xiaomi Redmi Note 8 Pro.
$ nix-build --argstr device xiaomi-begonia -A build.android-fastboot-images
Alternatively, you can build a specific partition image:
$ nix-build --argstr device xiaomi-begonia -A build.android-bootimg $ nix-build --argstr device xiaomi-begonia -A build.rootfs
The device will need to be booted in its bootloader, or
The boot images can be installed using the following command, assuming the
android-fastboot-images output was used.
If you have a system image (
system.img) built, you can use
flash it to the device. Note that it might be too big to fit over the
partition. In such case, it can be flashed on the
$ fastboot flash userdata system.img
Using a flashable zip
An alternative installation method is to use a flashable zip. The flashable zip can be built for your Xiaomi Redmi Note 8 Pro using one of the following commands:
$ nix-build --argstr device xiaomi-begonia -A build.android-flashable-bootimg $ nix-build --argstr device xiaomi-begonia -A build.android-flashable-system $ nix-build --argstr device xiaomi-begonia -A build.android-flashable-zip
The first two will flash only a specific partition. The last one contains the partitions of the two previous one.
The zip can either be copied to the device and selected in a compatible
Android recovery, or sent to the device through
$ adb sideload /nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-flashable-xiaomi-begonia-boot.zip
By default it will flash to the
system partition. Some configurations may
change this to flash to the
userdata partition. In that case, no warning is
given before flashing.
Do not acquire a Xiaomi Redmi Note 8 Pro with the intent to run Mobile NixOS on it.
This is not a recommended device.
It is of utmost importance that you read and familiarize yourself with the CFW megathread. Not doing so will result in a brick.
Again, you will almost assuredly brick your phone unless you read, understand and follow instructions pertaining to the community CFW and the Redmi Note 8 Pro.
Finally, as a last warning, you will need the community CFW for the Redmi Note 8 Pro. Otherwise irrecoverably bricking is almost guaranteed.
Recovering from a brick, quick notes
If you’re told “Please select a valid authentication file or ask for help.” it may be a red herring as long as you were mindful of not flashing a stock Xiaomi preloader and lk, and sticking to CFW. Make sure you are not holding power or a volume key when you plug the device in.
It is unknown what is necessary to be flashed using SP Flash Tool when
recovering a bricked device. For some bricks it seems that flashing only
is required. For other bricks it seems more is needed.
With the engineering preloader and aboot (lk), unknown for the stock Xiaomi
one, it is not possible to
fastboot boot a boot image.