Installing Or Replacing The Sim Card - Lenovo ThinkPad T440p User Manual

5. Install the battery pack. See "Replacing the battery pack" on page 63.
6. Turn over the computer and connect the ac power adapter and all cables.
Note: If you remove the base cover assembly when your computer has the battery pack installed or is
connected to ac power, there might be a risk of short circuits. Besides, the computer will not start after
you reinstall the base cover assembly. To start the computer, disconnect the ac power adapter and then
reconnect it to the computer.

Installing or replacing the SIM card

Before you start, print these instructions.
SIM card is a small plastic card with an Integrated Circuit (IC) chip mounted on one side of the card.
If your computer supports wireless WAN connections, your computer might require a SIM card to establish
wireless WAN connections. Depending on the country or region of delivery, you might need to purchase
a SIM card or a SIM card might already be installed in your computer or is part of the shipping contents
that come with your computer.
To install or replace the SIM card, do the following:
1. Turn off the computer, then disconnect the ac power adapter and all cables from the computer.
2. Remove the battery pack. See "Replacing the battery pack" on page 63.
3. Locate the SIM card slot inside the battery compartment. If there already is a SIM card in the slot, gently
pull the card out of the slot.
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User Guide