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Vivo & Google account
Storage & File Manager
Backup & vivoCloud
Music & Video
Lag & Stuck
Personal Hotspot & Wi-Fi
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How to change the status from "is_root=1" to "is_root=0" ?

How to perform “Restore all settings”?

Can I root my phone?

Can I install the system update on my rooted phone normally?

How to perform Wipe data?

How to recover my rooted phone?

Why is it still "is root=1" although my phone has been recovered?

How to forcibly reboot my phone?

How to enter Engine mode?

How to check if my phone is rooted?

How to exit “工程模式”?

How can I know whether the system of my phone is 64-bit or 32-bit?

Why is the available RAM less than the fact RAM although I close all apps?

Will "Wipe data" damage my phone?

Where can I find RAM details on my phone?

Why are there ads always popping up on my phone?

My phone shows Encryption failed. What should I do?

Why is the total amount of the RAM the apps use less than the Used RAM?