Lenovo IdeaPad U550 - Manual (Page 54)

40
Chapter 3. Using the Internet
4
Push the SIM card in until you hear a click, and then pull the SIM card out.
5
Put the battery back in place, turn the computer over again, and
reconnect the cables.
Note: Never insert or remove the SIM card while the computer is on. Doing so may
cause permanent damage to the SIM card as well as the SIM card reader.