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Support Is a old sim card still good?

Discussion in 'Android Devices' started by jhonb, Dec 24, 2013.

  1. jhonb

    jhonb Android Enthusiast
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    I am using the sim card that I got with my iPhone 3g some years back. I have just been moving it to each new phone I buy. It is currently in my Nexus 4. Does the sim card make any difference in my phones performance?
     

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  2. lunatic59

    lunatic59 Moderati ergo sum
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    Theoretically, no. All a sim (subscriber identity module) does is authenticate your device on the network. I'm using an old sim from 2009 in my N4 as well and I haven't noticed any discernible problems. Calls are clear and data is as fast as I can expect here (no LTE yet).

    Are you having problems? Sim's do go bad and need to be replaced.
     
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  3. jhonb

    jhonb Android Enthusiast
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    No, I am not having any problems, I just want to make sure I was not missing out on anything such as better reception or faster speeds. I guess I could ask ATT for a new card, but the less they know about anything the better.
     
  4. lunatic59

    lunatic59 Moderati ergo sum
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    I've found ... at least in the stores here ... AT&T doesn't really care.
     
  5. jhonb

    jhonb Android Enthusiast
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    Maybe I will stop by and pick a new one up. I had to use an adapter for my first GNex as it took a full size sim and the iPhone had a mini. I think with this phone, I did not need the adapter anymore.
    I just don't trust ATT. I don't want them to turn off my tethering.
     
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