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Invalid SIM Card

Viewing 5 posts - 1 through 5 (of 5 total)
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  • #68571 Reply
    Somaliland
    Guest

    In our GSM HUAWEI network we encountered a problem in one town, some of the customers’ SIM card is showing “INVALID SIM CARD”
    when they switch off and then switch ON the SIM is ok, the number of subscribers experiencing this is increasing. and we have not made any recent configuration or upgrade or anything.
    that town has sometimes transmission problem as before but this issue is new to us.
    Please guys which side of the network do you think the problem lies. NSS? IN? BSS? >>>

    Ur bro Somaliland

    #68572 Reply
    Mahmoud
    Guest

    Hi,

    Are you sure they are coming to connect to your network?
    Is the issue will reoccur for sub who restart his for one time?

    Please clarify the issue to find possible reasons.

    Br,
    Mahmoud

    #68573 Reply
    John
    Guest

    Please help we have seen in our 2G network

    #68574 Reply
    Mahmoud
    Guest

    You need to clarify the case.

    #68575 Reply
    mutley2202
    Guest

    Hi Somaliland, Did you ever get to the bottom of this ? We are seeing the same in 2G Huawei ran ?

    Thanks in advance.

Viewing 5 posts - 1 through 5 (of 5 total)
Reply To: Invalid SIM Card
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