1. Rashed Islam's Avatar
    I just bought an 6 months used blackberry Q10 with an OS 10.2.....
    While buying the seller gave Q10 a reset and then Keyboard light won't light up again.
    # i tried Downgrading to OS 10.1 [ DIDN'T WORKED]
    # i tried upgrading to OS 10.3 [ DIDN'T WORKED]
    # I have tested with BBVE and it's showing Light Sensor and proximity sensor Unavailable.
    CAN ANYONE TELL ME whats the matter ????
    10-30-14 11:46 AM
  2. Joshu42's Avatar
    As usual, use the BlackBerry Virtual Expert app (aka BBVE) to know if the issue is hardware first.
    10-30-14 11:47 AM
  3. Rashed Islam's Avatar
    # I have tested with BBVE and it's showing Light Sensor and proximity sensor Unavailable.
    10-30-14 11:56 AM
  4. Joshu42's Avatar
    So you know that your issue is hardware. Contact the seller, use the warranty if available.
    10-30-14 11:58 AM
  5. Rashed Islam's Avatar
    Are you sure it's hardware ??? , But the seller told me it worked before he sld me.
    thanks for your reply
    10-30-14 12:04 PM
  6. Joshu42's Avatar
    It's my guess yes. BBVE use low level calls to test hardware. If it's not responding, the issue may be hardware.

    By the way, you did the test with a nude phone, right ? A phone case can be also the culprit.
    10-30-14 12:44 PM
  7. Rashed Islam's Avatar
    nude phone mean ???
    10-31-14 01:37 AM
  8. Joshu42's Avatar
    nude phone mean ???
    no case, no screenshield.
    10-31-14 07:30 AM
  9. arlene_t's Avatar
    2 months ago my keyboard backlit was not working. I thought my keyboard needs replacement so I went to get a z10 to have my q10 repaired. I did Security Wipe and everything was back to normal. Sold the z10 and happily back in my Q.

    Just backup and try the security wipe first.

    Posted via CB10
    11-01-14 07:32 PM
  10. fermintxo's Avatar
    It hapenss to me and it's because my bb Q10 hasn't got the sensor. The guy that sold it to me changed the screen and forgot to place de sensor before closing the mobile
    11-05-14 10:44 AM
  11. fermintxo's Avatar
    Now my backlight it's working properly
    12-01-14 04:49 AM

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