Software and system

Can the app run on my PC? <<Learn More

Could it be prompted to upgrade the app during system upgrading? <<Learn More

What is the running version of the phone that the APP requires? <<Learn More

How to upgrade the app? <<Learn More

When the firewall is set to block all port traffic by default, which ports do the apps need to open to access the Internet <<Learn More

How to upgrade firmware? <<Learn More

How to change the app language? <<Learn More

Why is it still running power after I have turned Android app to the background? <<Learn More