Lenovo ThinkPad X230 Tablet - Manual (Page 68)

Before servicing the computer
Carefully read this topic before servicing the computer.
Removing the SIM card
Some models you are servicing might have the SIM card that the customer has installed. If the computer you
are servicing has the SIM card installed, remove it before you start the servicing.
To remove the SIM card, you need to remove the battery pack first. See “1020 Battery pack” on page 63.
After you finish the servicing, ensure that you insert the card back into the slot firmly.
1010 Tablet Digitizer Pen
Removal steps of Tablet Digitizer Pen
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62 Hardware Maintenance Manual