How to take clear photos?
How to avoid my phone overheat?
What is Game mode?
How to register vivo account?
What is vivo General Warranty Policy?
How to extend the battery life?
How to make my phone last for longer time?
What should I do if my device cannot be powered on?
What should I do if my phone lags or hangs sometimes?
How can I play games more smoothly on my vivo phone?