1. Con Chim Non's Avatar
    After i upgrade my BB9900 from OS 7.0.590 to OS 7.1.862 (o another OS 7.1).
    Trackpad on my BB9900 is not working, my phone detected trackball instead trackpad.
    How can i fix this problem?
    10-24-13 10:22 AM
  2. middbrew's Avatar
    It sounds like the install didn't fully work. This happens sometimes when installing the OS via OTA. I would suggest reinstalling it again.
    10-24-13 10:57 AM

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