- 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.
I assumed the non swappable batteries was to improve the waterproofing.
“Yes of course. We’re crushing orphans in our machine for their own good, because we care about orphans.”
It was to reduce the cost of making phones water resistant.
Probably similar to how manufacturers tell you it’s for your own safety and “think of children!”