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vivo Visual Creator
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Welcome to vivo Support
app lock
forgot lock screen password
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Easyshare
Top questions
System Settings
SIM card & mobile network
Lock screen & wallpaper
Shortcuts & accessibility
Privacy & app encryption
Dynamic light
Hotspot & tethering
Internet
Android Auto
Data Usage
RAM and storage space
System Features
Camera
EasyShare
Albums
Products
V50
X200 FE
Home screen& Lock screen
Widget
Lock screen settings
Home screen
Common Issues
App crash/no response/stop running
Call & Network & Connectivity
Lag
Charging & Heating & Power consumption
Hardware
Battery
SIM card/SD card
Infrared remote control
Sensor
Operating System
ROOT
Log
vivo Privacy Terms for After-sales Service
vivo Privacy Terms for After-sales Service
Accounts & Google
vivo account
Why is the SIM toolkit gray on my phone?
How to turn on 5G preferred?
How to turn off 4G+ network?
Can I remove or insert SIM and SD card when my phone is on?
How to turn on VoLTE?
The downloading in the background stops
Why is the signal of only one SIM card displayed?
Introduction to VoNR
How to turn off VoWiFi (WiFi Calling)？
How to enable VoWiFi (WiFi Calling)?
How to switch 4G to LTE?
Can I set Only 4G on my phone?
Can I use data network when I am on a call?
What does the HD sign in the status bar mean?
What should I do if SIM card cannot be recognized?
What is SIM Card PIN and PUK Code？
SIM Toolkit is always showing error
Can I make phone calls without SIM card?
Can I surf the Internet while I am talking on the phone?
Does the protective case affect the phone signal?
How to enable VoLTE (HD Voice call)?
How can I disable VoLTE?
What should I do if the data network speed is slow?
How to set the SIM card as the default data card?
Where can I find the SIM card Toolkit?
Can I change the name of SIM card?
Unable to watch videos with data network
Some apps cannot connect to network. What should I do?
Data networks switch automatically
What should I do if it shows that my phone is out of service when I want to make a call?
Does blocking the antenna affect signals?
What is SA?
Difference between ViLTE and VoLTE
What is Dual-Mode 5G?
Are 5G signals harmful to humans?
What is the advantage of 5G?
Why is the 5G signal strength different indoor and outdoor?
What is 4G?
What is Dual 4G?
What is the difference between 3G and 4G phones?
What is the difference between 4G+ and 4G?
What is 5G?
What is the difference between NSA and SA?
What is NSA?
Does the SA mode make networks faster than NSA mode?
Can mobile data network and Wi-Fi be turned on at the same time?
Does watching videos offline require data?
Unable to turn on/off data network
Data network is automatically disconnected
Introduction to GSM network
Introduction to EDGE
Introduction to WCDMA
Introduction to GPRS
Introduction to CDMA2000
Introduction to LTE
Can a 3G SIM card be used in a 4G phone?
What may cause unstable network speed?
Why can not disbale SIM card?
How to disable my SIM card?
Can a 4G phone be upgraded to a 5G phone?
Unable to use the data network when I am on a call using another SIM card
The data card automatically switches to another card
How to turn off "Smart switch of data card" ?
How to turn on "Smart switch of data card"?
What is "Smart switch of data card"?
What should I do if I forgot the PIN code of the SIM card?
What should I do if I forgot the PUK code of the SIM card?
How do I know how many SIM cards my phone supports?
Top questions
System Settings
SIM card & mobile network
Lock screen & wallpaper
Shortcuts & accessibility
Privacy & app encryption
Dynamic light
Hotspot & tethering
Internet
Android Auto
Data Usage
RAM and storage space
System Features
Camera
EasyShare
Albums
Products
V50
X200 FE
Home screen& Lock screen
Widget
Lock screen settings
Home screen
Common Issues
App crash/no response/stop running
Call & Network & Connectivity
Lag
Charging & Heating & Power consumption
Hardware
Battery
SIM card/SD card
Infrared remote control
Sensor
Operating System
ROOT
Log
vivo Privacy Terms for After-sales Service
vivo Privacy Terms for After-sales Service
Accounts & Google
vivo account
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