1. AC Question's Avatar
    every time I try to open my back camera its gives a warning sign "unknown error by ErrorCallback". I tried formatting the phone but no change. The front camera is working well. but it does not want to switch. please help
    02-17-2016 11:31 PM
  2. Laura Knotek's Avatar
    Hi there,

    What device do you have?
    02-17-2016 11:39 PM
  3. AlphaTango414's Avatar
    Sounds like a hardware problem, best thing is to take it to your nearest repair place to see what they will charge to fix it.
    Laura Knotek likes this.
    02-18-2016 12:15 AM

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