An introduction to system settings
menu
Here is the system settings menu of the M21.
WiFi
The M21 supports a WiFi connection of 2.4/5G dual-band for music resources
access. Here are the steps to connect the M21 to a new WiFi device.
1) In the settings menu of the M21, tap "WiFi".
2) Turn it on. The M21 will automatically search for and list available WiFi devices
nearby.
3) Tap the intended WiFi device and connect them.