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An unspecified error has occurred with an application on your Blackberry smartphone.
In BlackBerry Desktop Manager, run the BlackBerry Application Loader tool. Note: The following procedure will delete all data and applications from your BlackBerry smartphone.
Disconnect your Blackberry smartphone from your computer.
Open BlackBerry Desktop Manager.
Open BlackBerry Application Loader.
Reset your Blackberry smartphone.
Remove the battery cover.
Remove and reinsert the BlackBerry battery to reset the BlackBerry smartphone.
Replace the battery cover.
To perform a hard reset on a RIM 850 device, RIM 857 device, RIM 950 device, or RIM 957 device, insert the end of a paperclip inside the small hole on the back of the BlackBerry device.
When the LED indicator has turned on, reconnect the BlackBerry smartphone to the computer.
On the following screen you will see either USB:Unknown or USB:; click Next.
Select the required applications from the applications list and click Next. The firmware is loaded to your BlackBerry smartphone.
Warning: The following procedures will delete either all data, or all data and applications on the BlackBerry smartphone. Back up the data on your BlackBerry smartphone before performing this procedure.
Looks like you need to unlock blackberry 7290 network. You can do it only if you have a blackberry unlock code, with this code your phone network will be reset and will accept any sim card from any provider. This unlock code can be purchased easily at third party sites on internet.
It sounds like the device was originally activated and worked with a Blackberry enterprise Server, where the administrator had voice calls blocked for the users, so that they did not run up bills - in other words, it was programmed just to do email. If this is the situation, there may not be a solution available to you.
Call your phone carrier and ask them to help - make sure you have the correct "plan"...