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Released on October 1, 2013 the BLU Studio 5.5 is an unlocked Android smartphone with two model types being the D600 (single SIM) or D610 (dual SIM).

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Cannot turn mobile data on

My daughters cannot make any phone calls, nor can she text from her phone. The Mobile Date field is no longer highlighted. Any idea on how to fix that, or what causes that? We just got the phone 4 months ago:-(

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Are there signal bars at the top of the screen or a red x? If not have you checked that the SIM card is installed properly? If yes can you call the phone from another phone?


I just got a blu vivo one plus but i can switch on the mobile data network anyone with solution should assist


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Hellow Heike Venturi ,

Check the caller ID on call settings : it should be set as "On" status or "Network default"

Restart the phone and check whether calls can be made.

Above step not related to Data service. best option to contact network operator to check the connection status of your connection.

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Oh It Happens Sometimes Go To Settings Then More Then Mobile Network Then Activate Data Connection ( The Solution Of This Problem Is Just Turn The Data Connection At Settings ) I Hope It Works...

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i cannot turn on data

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Heike Venturi will be eternally grateful.
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