2019-11-20, 01:44 PM
I am afraid is impossible to do that.
Even if you are able to migrate from raspbian stretch to raspbian buster without serious issues, OP 2 is a complete rebuilt of OP 1 and they are sharing almost anything.
Even if you are able to migrate from raspbian stretch to raspbian buster without serious issues, OP 2 is a complete rebuilt of OP 1 and they are sharing almost anything.