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With traditional Blackberry phones it was easy to turn off the radio for the telephone carrier and still use WiFi. Android phones don't seem to have a checkbox to turn on or off the telephone network radio. One way to accomplish this on many Android phones such as the Casio Commando is to use "Airplane Mode." In Airplane Mode all internal radios are deactivated, including the carrier radio, WiFi, and Bluetooth. However, you can manually turn the WiFi radio on in Airplane mode while keeping the carrier radio off.With traditional Blackberry phones it was easy to turn off the radio for the telephone carrier and still use WiFi. Android phones don't seem to have a checkbox to turn on or off the telephone network radio. One way to accomplish this on many Android phones such as the Casio Commando is to use "Airplane Mode." In Airplane Mode all internal radios are deactivated, including the carrier radio, WiFi, and [[Bluetooth]]. However, you can manually turn the WiFi radio on in Airplane mode while keeping the carrier radio off.