User's Manual

Operating Your Computer 2-23
Using the WWAN Feature (Option
Using the WWAN Feature (OptionUsing the WWAN Feature (Option
Using the WWAN Feature (Optional)
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A WWAN (Wireless Wide Area Network) uses mobile telecommunication cellular
network technologies to transfer data. The WWAN module of your computer supports
3G or 4G LTE depending on your model.
NOTE: Your computer only supports data transmission; voice transmission is not
supported.
Installing a SIM Card
Installing a SIM CardInstalling a SIM Card
Installing a SIM Card
To use the WWAN feature to connect to the Internet, you need to subscribe to the
service and acquire a SIM card from a mobile phone network service provider.
To install the SIM card, follow these steps:
1. Turn off the computer and disconnect the AC adapter.
2. Carefully place the computer upside down.
3. Remove the four screws to open the compartment cover.