Huawei H122-372 Quick Start Manual page 6

Setup
1 Make sure you use the correct SIM card.
mini-SIM (2FF)
2 Open the SIM card cover.
3 Insert the SIM card gently into the SIM card slot in the direction shown in the figure below until it
clicks. Then close the SIM card cover.
•
To remove the SIM card, gently press the SIM card in until it clicks. The card will
automatically pop out.
•
Do not insert or remove a SIM card when the router is running, as this may affect
performance or damage the SIM card.
4 Connect the power adapter to the router.
nano-SIM (4FF)
micro-SIM (3FF)
2