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