How to check the latest update?
Do I have to update the phone to the latest version?
Why does System update always fail?
Why can I not receive the system update for a long time?
Can I downgrade my phone to the lower Android version?
Which vivo phones support Project Treble?
How to flash the firmware?
Why is my device’s Android security patch not latest?
How to downgrade my phone?
Can "Restore(Reset) all settings" make the system version return back to the original one?
How to check the date of my device`s latest Android security patch?
What is System repair mode?
Can I install the firmware of other phones in my vivo phone?
What is Android security patch?
It always shows “verification failed” when I download & install the update. What should I do?
How to access Recovery mode?
I cannot check for the new version. What should I do?
What should I do if I cannot finish downloading the system update?
How to exit the Fastboot mode?
It prompts "Decryption unsuccessful" while installing the firmware. What should I do?