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Old 02-07-2011, 02:42 AM   #1 (permalink)
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Default 8520 refuses to start displays "app error 523 reset"

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Please help my 8520 displays "app error 523 reset" on screen and refuses to start. I have removed battery severally to restart but it still won't displaying same error code. Please help
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Old 02-07-2011, 05:32 AM   #2 (permalink)
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Default Re: 8520 refuses to start displays "app error 523 reset"

Just used the search option and found possible solutions. Will keep all up to speed if solved.
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Old 02-07-2011, 05:33 AM   #3 (permalink)
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Default Re: 8520 refuses to start displays "app error 523 reset"

What should I do with App Error 523? - BlackBerryFAQ
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Old 02-07-2011, 10:00 PM   #4 (permalink)
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Default Re: 8520 refuses to start displays "app error 523 reset"

instal de os.5 version and it will work again
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Old 02-24-2011, 06:20 AM   #5 (permalink)
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Default Re: 8520 refuses to start displays "app error 523 reset"

Please help me !! I am facing a problem on my BB 8520 "app error 523 reset"
I came to know it is possible to reinstall the OS will work properly

But How I can retrieve the data before re install the OS? is there is any recovery software is there with any one please help
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Old 02-24-2011, 06:36 AM   #6 (permalink)
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Default Re: 8520 refuses to start displays "app error 523 reset"

See What should I do with App Error 523? - BlackBerryFAQ.
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Old 02-24-2011, 06:46 AM   #7 (permalink)
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Default Re: 8520 refuses to start displays "app error 523 reset"

... Also see KB17877-How to start a BlackBerry smartphone in safe mode.

If you can manage to boot in safe mode, do a full backup.

If you can't manage to boot in safe mode, then nothing else to do.

Wipe, reinstall the OS, the restore your latest backup. (Hopefully you've been doing regular backups. If not, start so you are prepare if this ever happens again.)
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Old 03-09-2011, 10:31 AM   #8 (permalink)
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Default Re: 8520 refuses to start displays "app error 523 reset"

I just picked up an 8520 from kijiji for next to nothing. App error 253 on the screen. a little google reading and BB software and it's up and running.
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