Getting Started; Step 1: Installing The Sim Card - Huawei B311s-220 Quick Start Manual

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Getting started

Step 1: Installing the SIM card

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Choose the correct SIM card and insert it into the SIM card slot as
shown in the preceding diagram and then connect the power adapter
to the router. The router will turn on automatically and search for
available mobile networks.
Indicators：
Note：
Do not insert or remove a SIM card when the router is running, as
this may damage the SIM card.
Cyan/blue/yellow: Connected to an LTE/3G/2G
network.
White: More signal bars indicate a stronger signal.
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