This thread might get long and techy but bear with me.
I don't like 'big tech' and use FOSS wherever possible.
I don't have a lot of money and try to be as frugal and 'green' as possible.
I've had 3 smartphones on PAYG over approx 15 years, I only get a new one when the old really can't be fixed.
The first two ran 'de-Googled' on open source android but unfortunately there's none available for the current budget Oppo phone... (continued)