I recently starting using a Samsung Galaxy S4. I need to use a special phone at my work. For that purpose I have a duo card where I turn off one phone to use the other.

The problem is that I can only turn off all connections on the Samsung (Airplane Mode), including the mobile internet connection.

My question is: can I turn off the phone capabality (GSM?) on the Samsung while maintaining my mobile network on the Samsung?

  • 1
    If you have Wi-Fi available you can activate Airplane Mode and then re-activate Wi-Fi.
    – Raidri
    Aug 6 '13 at 12:36

Simply impossible. Mobile Network IS GSM. GPRS, EDGE, UMTS or LTE, which are different standards for providing packet-based Internet connections, are all expansion of the GSM standard and, as such, require a GSM signal.

  • 2
    I think that sums it up. Thanks for your quick response, Shywim.
    – Juancito
    Aug 6 '13 at 10:13

That depends. If you are allowed to divert incoming calls and messages to another number, you can divert them to a number that is disconnected and you will still have the data connection on your phone.

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