- Unlock bootloader (depending on vendor, you have to do an online verification),
- flash a recovery.img,
- load into recovery mode (which, depending on the phone, might need extra work)
- wipe some caches,
- select new os/rom image,
- pray it doesn’t brick your phone.
You’d think someone would’ve learned a thing or two from the easy graphical installations linux and even windows have been offering since the late 2000s.
Exactly, its like if I claimed online that I had a million bucks - even if I weren’t lying, it doesn’t matter unless the right people believe my claim. It’s the same premise here really, the truth only counts when you actually have power sadly.