Small new Air12 LTE version run "Lenovo understand the Internet" tip: Mobile network has not yet opened

Failure phenomenon:

The first time to open "Lenovo understand the Internet", did not appear input Lenovo account and password interface, but prompted: "Mobile network has not yet opened." This condition is run in connection with WiFi and you see the LTE icon in change adapter settings is not enabled.
Reason Analysis:

The use of pre-installed WIN10 system, in the WIN10 system under the flight mode has a separate set of wireless network, Bluetooth, LTE and other switches.
Solution:

Method One:

Click on the Start menu, select "Settings"-"Network and Internet"-"flight Mode", in which the LTE setting is turned on. The following figure:

Method Two:

In change adapter settings, locate the LTE icon, right-click the connection, and jump directly to the network and Internet interface. Open LTE.