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Welcome to vivo Support

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What are the differences between Funtouch OS 9.0 and Funtouch OS 4.5?

How to perform “Restore all settings”?

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

Can I root my phone?

How to change the status from "is_root=1" to "is_root=0" ?

How to perform Wipe data?

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

How to recover my rooted phone?

How to enter Engine mode?

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

How to check if my phone is rooted?

How to forcibly reboot my phone?

How to exit “工程模式”?

Why are there ads always popping up on my phone?

Will "Wipe data" damage my phone?

Where can I find RAM details on my phone?

My phone shows Encryption failed. What should I do?

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

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

Find my phone
Storage & File Manager
vivo & Google account
Music & Video
Backup & vivoCloud
Lag & Stuck
Purchase consulting
Personal Hotspot & Wi-Fi