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![](https://files.manualsfile.com/11184195-vpcz2390s/bg4a.png)
74
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Using Your VAIO Computer >
Using the Wireless WAN
Inserting a SIM Card
Your SIM card is preinstalled on your computer at the time of delivery. To use the wireless WAN function, see Starting the
Wireless WAN Communications (page 77). If you need to replace the SIM card, follow the steps in To insert a SIM card
(page 74).
To insert a SIM card
1 Turn off your computer.
2 Insert a thin, straight object (such as a paper clip) into the hole (1) in the SIM card holder (2) so that the holder pops out.
3 Gently take hold of the SIM card holder and pull it out of the slot.
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