Before You Start - Huawei E5331 Quick Start Manual

Before You Start

Installing the SIM Card and the Battery
Caution: Do not use any SIM card that is not standard or is
incompatible with the Mobile WiFi. Otherwise,
the Mobile WiFi may be damaged.
Insert the SIM card in the card slot. Make sure that the SIM card is facing in the right
direction, as shown in figure 2, and then slide the SIM card into the slot.
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