Device
- The software fails to be installed or the system prompts that the installation is not allowed.
- The installed application program cannot be opened.
- WLAN cannot be enabled (the wifi key cannot be enabled).
- WLAN Connection Failure, how to solve it?
- What is VPN?
- What is VOLTE?
- Does the USB interface, microSD slot and HDMI interface support hot swapping (hot swapping)?
- The advantages of Type-C interface, the difference with micro USB