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  1. #1
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    Samsung Galaxy S2 sporadically disables calls/texts- 'no mobile network available'

    Hi!

    I have been having this problem for the last week or so but it has gotten worse. My phone, about 70% of the time, says 'no mobile network available' when I try and send a text or call someone. Turning the phone off, reinserting the simcard etc doesn't help. Then, of its own accord, it will sometimes work again and all my texts will flood through. Within twenty minutes or so, it will break again.

    It is essentially unusable as most of the time I can't call or text with it.

    I am on 02 but it definitely isn't a problem that lies with them. It seems to be the phone.

    I should note (in case you can't tell!) that I am not exactly tech savvy, so will have to be explained solutions very simply. I don't know what many of the acronyms mean in mobile settings I'm afraid. Sorry in advance!

    Thanks a bunch Hopefully it can be sorted simply, as unfortunately it isn't insured.

    Thanks again!

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  3. #2
    Rescue Squad
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    Interesting issue indeed. I don't know much about O2, but the first thing I would check is APN info.

    To get there go to Settings > Wireless and Networks > More > Mobile Networks > Access Point Names

    There should be a list of APNs. You might only have one. Please list them as you see them.

    Also, do you pay monthly or is it a GoPhone account?

  4. #3
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    Sorry for the late reply! And thanks so much for the help.

    The APNs say either '02 Mobile Web' (which is the one selected) or '02 MMS'.

    It is a pay monthly phone. I have been so unbelievably busy that I haven't had time to go to an 02 shop and ask. It seems to be a little better at the moment, but not great. Thanks again!

  5. #4
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    Try for the sake of trying O2 MMS until I can research more in to the issue. Again, not familiar with O2 so I have to look at little harder.

  6. #5
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    Hi All,
    I have similar problem with my Samsung Galaxy S2 ( SHW-M250S , with Android 4.0.4) . After switching ON , it shows full signal and works fine for few minutes , I can make calls and can use 3G. If I keep my phone idle , after few minutes it shows no service .If I make Airplane mode ON & OFF or tap "Mobile networks" it starts showing signal.
    I have tried Airtel SIM and BSNL SIM but issue is same. These SIMs work perfectly on other phones.
    I have tried Factory reset but no luck. Can anybody let me know whether it is software issue or some hardware problem.

    Thanks
    SK

  7. #6
    Super Moderator
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    Welcome to the forum SK!
    GSM Galaxy Note 3 (Black) - Straight Stock
    GSM Galaxy Note 2 (Titanium) - Rooted running Jedi X20 Rom
    GSM Galaxy Nexus (Black) - Straight Stock

    GSM Samsung Galaxy S3 (Red) - Rooted running Deadly Venom v8.0.1 Rom






 

 

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