580
OnePlus update blocks downgrades and custom ROMs by blowing a fuse
(consumerrights.wiki)
This is a most excellent place for technology news and articles.
they saw GOOGLE was trying to lockdown thier bootloader, or restrict it.
So they said, “Nuh uh, we’re gonna lock it down so you can’t!” Or am I misunderstanding?
It's more an "if everyone is doing it why not us" type of thing.