Huawei E303/Lion


Uninstalling my modem
Installing my modem
Starting the modem application

Assembling my modem

Inserting a SIM into my modem
Inserting a memory card into my modem

General settings

Selecting settings for automatic start-up
Updating the modem application

View modem information

Want to view various information about your modem? Follow these easy instructions.

Find "Diagnostics..."
  • Click Tools.
  • Click Diagnostics....

View modem information
  • Click Device.
  • Various information about your modem is displayed.

  • Click Cancel to close the window.

*Please refer to the Huawei website for more information or further support.*


Choosing network mode for my modem
Choosing a network for my mode

Connection settings

Set up my modem for internet manually


Establishing a connection to the internet
Ending a connection to the internet
Checking data usage


Creating a contact for my modem

Send SMS

Writing and sending SMS


Turning use of PIN on or off
Changing my PIN