The pattern of the LED indicator is included in the following table.
LED Status
O
Red light on
Green light ashing
Green light on
Red light ashing
Green and red light
ashing alternately
Micro SD Card Slot
Device Status
Built-in Speaker
Powered o /LED turned o
Rebooting after reset
Booting
Device malfunction
Waiting for network
Operating properly
Network connection failed
Firmware updating