That's easier. Get yourself a phone whose bootloader can be unlocked (I have used Samsungs and Moto Gs so far but there are others) and for which there's a recent lineage OS custom ROM (there are versions w/o any of the standard Google apps). Install a decent recovery (say TWRP]. Backup the current system. Install lineage. Finished.
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Thanks. I can't afford a phone like that. Fix income from working too hard that made me crippled.
I copy & paste to the terminal. Liars, Wiseguys, Trolls, and those without manners will be added to my ignore list. 