Huawei B612 Quick Start Manual page 4

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Setup
Insert a micro-SIM card into the micro-SIM card slot as shown in the
preceding diagram and then connect the power adapter to the B612
router. The router will turn on automatically and search for available mobile
networks.
The following indicators will turn on when the router has successfully
connected to a network.
Cyan/blue/yellow:
Connected to a mobile
network.
Note:

Do not insert or remove a micro-SIM card when the router is running, as this
may affect performance or damage the micro-SIM card.

When removing the micro-SIM card, gently press the micro-SIM card in, then
release. The card will automatically pop out.

Click the Help on the web interface to learn more about your LTE CPE.
White: More signal bars
indicate a stronger signal.
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