Lenovo IdeaPad U455 - Manual (Page 50)

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Chapter 3. Using the Internet
• A connection management utility to connect/disconnect to your Mobile
Broadband network.
Inserting the SIM card
To insert the SIM card:
1
Turn off the computer; then disconnect the AC adapter and all cables
from the computer.
2
Close the computer display and turn it over.
3
Remove the battery.
4
Insert the SIM card in the card slot as shown in the illustration.
Note: In general, your mobile service provider provides this utility.
Note: Inserting the SIM card in the wrong direction may damage the SIM card slot.