Introduction to OEM unlocking
Can I root my phone?
Can I install the system update on my rooted phone normally?
Do vivo mobile phones have locked BL?
Is it possible to unlock the BL?
How to change the status from "is_root=1" to "is_root=0"?
How to check if my phone is rooted?
The phone shows “is-root=1”
What is a locked BL?
What is root?
Is it possible to upgrade the operating system once my phone is rooted?
Is my phone warranty still valid after phone rooting?
Introduction to NV parameters