សូមស្វាគមន៍មកកាន់ការគាំទ្រ vivo

How to change the language of the built-in apps, like vivo App Store, Weather, and Game Center on the phone designed for Chinese users?

Which languages are supported on vivo phone?

Auto time is not the right time. What should I do?

How to change the system language?

How to set 12-hour or 24-hour format?

How can I change the system language on my phone purchased in Chinese Mainland?

How to set scheduled power on/off?

Why can I not set 201X(Year) on my phone?

vivo Scheduled power on/off damage my phone?

How to change the date format?

How to set scheduled off-line?

How to change Time zone?

How to set Countdown vibration?

How to set scheduled vibration?