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BlackBerry® OS Smartphones

Posts: 15
Registered: ‎12-30-2012
My Device: 9780 bold
My Carrier: Airtel Zambia


Hai guys my curve 8520 is suddenly givin me an error message "app error 523" what can I do
Elite II
Posts: 7,974
Registered: ‎06-01-2012
My Device: Curve
My Carrier: BSNL

Re: 8520

Hello kamfwa



Please try this Knowledge Base to recover your device from this JVM error :


KB10144  : How to force the detection of the BlackBerry smartphone using Application Loader



Please note the above method wil delete all data within your device, if you have a previous backup or using BBprotect you can restore from those . So try it and let us know if you feel any problem.


Additional Information :

KB24395 :  "Error 523", "App Error 523", or "JVM 523" appears on the BlackBerry Smartphone


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