Lenovo IdeaPad U550 User Manual page 53

5
Put the battery back in place, turn the computer over again, and
reconnect the cables.
Removing the SIM card
To remove 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.
Chapter 3. Using the Internet
Notched Corner
39