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Before servicing ThinkPad T400s, T410s, and T410si
Removing the SIM card:
Some models of the ThinkPad T400s, T410s, and T410si you are servicing might
have the SIM card that the customer has installed.
If the computer you are servicing has the SIM card, remove it before you start the
servicing.
To remove the SIM card, you need to remove the battery pack first. (See “1010
Battery pack” on page 85.)
After you finish the servicing, make sure that you insert the card back into the slot
firmly.
Notice on disconnecting the cable from flip-lock ZIF connector:
Some cables used in the ThinkPad T400s, T410s, and T410si are connected to the
flip-lock ZIF connectors.
When disconnecting the cable from those connectors, do as shown in this figure.
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84 ThinkPad T400s, T410s, and T410si Hardware Maintenance Manual