Lenovo ThinkPad T550, User Manual

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2. Unlock the battery latch 1 . Slide the battery latch 2 to the unlocked position and hold it there. Then
remove the battery 3 .
3. Insert a new battery until it clicks into place. Ensure that the battery latches are in the locked position.
4. Turn the computer over again. Connect the computer to ac power.
Installing or replacing the micro SIM card
Before you start, print these instructions. Read the important safety information first. See “Important
safety information” on page vi.
Micro SIM card is a small plastic card with an Integrated Circuit (IC) chip mounted on one side of the card.
If your computer is equipped with a micro SIM card slot, your computer might require a micro SIM card to
establish wireless WAN connections. Some computer models might be shipped with a micro SIM card,
either installed in the computer or as part of the shipping contents. If your computer does not come with a
micro SIM card, you can purchase one from the local service provider.
To install or replace the micro SIM card, do the following:
Chapter 10
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Replacing devices
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