1. jatinder U's Avatar
    Whenever the phone is rebooted, the message " the SIM card is unknown" comes. However, by selecting OK, i am able to work on the phone. The problems that i am however facing is that the call log and phone book when selected, go blank for few mins.

    There is a lag in accessing the call log and phone book.

    Can someone guide for a possible solution please.
    04-27-2016 01:23 AM

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