Lineage OS installation

notes.md

Trying to install Lineage OS on MI A2 (jasmine_sprout) follow the instructions from:

https://wiki.lineageos.org/devices/jasmine_sprout/install

Unlocking the bootloader

1. Enable OEM unlock - done
2. fastboot oem unlock - done

Temporarily booting a custom recovery using fastboot

1. Download a custom recovery - done
2. Temporarily flash a recovery on your device.

The provided command fastboot flash boot <recovery_filename>.img did not work. I had run:

fastboot flash boot__a lineage-17.-20210123-recovery-jasmine_sprout.img

Installing LineageOS from recovery

• With the device powered off, hold Volume Up + Power to reboot into recovery

• The phone does not go into recovery mode

The current state of the phone

• phone gets powered off by pressing power button for 10 seconds or so.

• Turning the phone on will start the phone and show:

  • android-one logo on screen for 2 seconds
  • battery charging icon on the screen for a second
  • screen goes blank

• Powering it on with USB plugged into laptop

  • android one logo foe two seconds
  • Shows the following messgae:

  The boot loader is unlocked and software integraty can not be guarranteed....
  
  Visit this link on another device:
  g.co/ABH
  
  PRESS POWER KEY TO PAUSE BOOT  
  

• Same as above when Volume Up + Power buttons are pressed

• Goes into fastboot when Volume Down + Power buttons are pressed

Recovery using TWRP

Started twrp using fastboot boot twrp-3.5.0_9-0-jasmine_sprout.img.

Click on reboot - on the resulting page, switch the boot slot. If its A, change it to B. Reboot into system

These two steps started the Android OS that came with the phone.