[celltronics]

hi to all here i'm newbie but i have a question about my phone
B.B. 8520 App.error 523 reset
i hope i'm welcome here................

[rambo47]

Everyone is welcome! App Error 523 is usually caused by a bad third-party app. Probably the last one you installed. Could be poorly written, or it could be the wrong version for your model or OS.

What should I do with App Error 523? - BlackBerryFAQ