Installing Or Replacing The Micro Sim Card - Lenovo ThinkPad X1 Carbon User Manual

To disable the built-in battery, do the following:
1. Turn off your computer and disconnect the ac power adapter and all cables from the computer.
2. Turn on your computer. When the logo screen is displayed, immediately press F1 to enter ThinkPad
Setup.
3. Select Config ➙ Power. The Power submenu is displayed.
4. Select Disable built-in battery and press Enter.
5. Select Yes in the Setup Confirmation window. The built-in battery is disabled and the computer turns off
automatically. Wait three to five minutes to let the computer cool.
The built-in battery will be enabled automatically when the computer is connected to an ac power adapter.

Installing or replacing the micro SIM card

Before you start, print these instructions. Read the important safety information first.
Note: Depending on the model, your computer might look slightly different from the illustrations in this topic.
Micro SIM card is a small plastic card with integrated circuit (IC) chip mounted on one side of the card.
If your computer supports wireless-WAN connections, your computer requires a micro SIM card to establish
wireless-WAN connections. The micro SIM card is shipped with some computer models only and you can
purchase one when necessary.
To install or replace the micro SIM card, do the following:
1. Disable the built-in battery. See "Disabling the built-in battery" on page 119.
2. Locate the micro-SIM-card tray at the rear side of the computer.
3. Insert a straightened paper clip into the hole in the micro-SIM-card tray
ejects. Then, slide the micro-SIM-card tray out of the computer
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ThinkPad X1 Carbon User Guide
1 . The micro-SIM-card tray
2 .