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Visitor
Posts: 1
Registered: ‎05-04-2009
My Device: Not Specified

7290 shows an error

My Blackberry 7290 shows the following error after I have dialed ##121# for checking my remaining value on my SIM card.

 

"Supplimentary service error: Unknown alphabet."

 

How can I solve it?

 

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Retired
Posts: 104
Registered: ‎03-27-2009
My Device: Not Specified

Re: 7290 shows an error

If this is the only time the error occurs, then I would probably check with the service provider as the SIM card is a separate piece from the BlackBerry or there is a password that has been incorrectly placed on the BlackBerry.  Let us know how it works out.