phones
GrapheneOS
https://grapheneos.org/
GSI for the Galaxy A20 (Android 10) | XDA Developers Forums
https://forum.xda-developers.com/t/gsi-for-the-galaxy-a20-android-10.3964546/
What is GSI?
GSI stands for Generic System Image and will allow you to install an alternative ROM on your Galaxy A20?
No longer will we be restricted to...