Replacing The Micro Sim Card; Replacing The Base Cover Assembly - Lenovo 20HGS3KN00 User Manual

3. Select Disable built-in battery and press Enter.
4. 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.

Replacing the micro SIM card

Before you start, read "Important safety information" on page v and print the following instructions.
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, your computer might require a micro SIM card to establish wireless
WAN connections. Depending on the model, you might need to purchase a micro SIM card or a micro SIM
card might already be installed in your computer. In some countries or regions, a micro SIM card is part of
the shipping contents that come with your computer.
Attention: When installing or removing the micro SIM card, do not touch the micro SIM card metal
connectors.
To replace the micro SIM card, do the following:
1. Ensure that the computer is turned off and disconnected from ac power and all cables.
2. Locate the micro-SIM-card tray at the right side of the computer.
3. Insert a straightened paper clip into the hole in the micro-SIM-card tray
the tray out of the computer. Gently take the micro SIM card out of the tray
card into the tray 3
Attention: Do not install a nano-SIM card with a nano-to-micro-SIM adapter into the micro-SIM-card
tray. The adapter might damage the slot.
4. Connect the ac power adapter and all cables to the computer.

Replacing the base cover assembly

Before you start, read "Important safety information" on page v and print the following instructions.
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T470s User Guide
. Insert the tray into the computer
1 . The tray ejects. Then, slide
2 . Install a new micro SIM
4 .