1. CrackBerry Question's Avatar

    can anybody help me to solve " unknown error problem" of blackberry Z10 with "X" symbol at top right of the screen with red color.

    And remaining all services (Wifi) are working except the calls.

    And also my phone is automatically restarting frequently.

    please help me in this regard
    10-06-15 07:16 AM
  2. zocster's Avatar
    have you replaced the SIM card? Sounds like an OS reload may be in order.
    10-06-15 09:53 AM

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