To Replace The Sim Card - Lenovo ThinkPad Helix S230U User Manual

Your computer might require a SIM card to establish wireless WAN connections. Depending on the country
of delivery, you might need to purchase a SIM card , or a SIM card might already be installed in your
computer, or the SIM card is part of the shipping contents that come with your computer.
If you find a SIM card included in the shipping contents, a dummy card is installed in the SIM card slot. Then
proceed with the following instructions.
Note: The SIM card is identified by the IC chip mounted on one side of the card.
To replace the SIM card, do the following:
1. Disable the built-in battery. See "Disabling the built-in battery" on page 49.
2. Close the computer display, and turn it over.
3. Locate the SIM card door at the rear of the computer. Gently pivot the SIM card door upwards.
4. Gently push the card to remove it from the computer.
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User Guide