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LED indicators/LCD Screen
4G180
LED
Status
Description
Connected to the internet.
Solid green
Signal detected, but no internet access.
Blinking green
Signal
No signal.
Solid red
Remaining battery percentage is above 25%.
Solid green
Charging the battery.
Blinking green
Battery
Solid red
Remaining battery percentage is between 20%
and 25%.
Remaining battery percentage is below 20%.
Blinking red
Blinking green
for 5 times
New SMS message is received or the
storage is full.
Message
There are unread SMS messages.
Solid green
Off
No unread SMS messages.
No device is connected to the Wi-Fi network.
Solid on
Blinking
Wi-Fi
There is at least one devices connected
to the Wi-Fi network, or a WPS negotiation is in
process.
The Wi-Fi network is disabled.
Off
1