1. #1
    Unregistered

    Invalid SIM issue in my Sony Xperia mobile

    It's really annoying for me now because I am getting the error message "Invalid SIM" like 50 times a day whenever I do something with my Xperia like unlocking the phone going to a folder etc. This problem started when I installed the 3G data pack in my mobile. Tried resetting the phone too but not able to resolve the problem. Can someone please help with better solution?

  2. #2
    kranthi kranthi is on a distinguished road
    Join Date
    Jun 2012
    Posts
    316

    Re: Invalid SIM issue in my Sony Xperia mobile

    This type of problems arises usually when ever the SIM card registrations fails and if you insert in the mobile then you will be facing this problem so follow the instructions below to solve the issue :
    When ever the problems of this type arises then you should definitely have the settings which are been taken in to the account.
    Go to the Network settings so that you will be having a very good opportunity to solve the issue.
    Select the network which you are using manually and then this may solve your SIM card problem.
    Otherwise you have to go with the New SIM card which might bring the registration for you.

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