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  1. Thread Author  Thread Author    #1  

    Default Galaxy S5 loses connection to AT&T periodically

    Just bought this phone on Saturday.

    No problems until today when AT&T connection was lost. I tried going outside and in the car, walked around with it, etc. but nothing was able to restore the connection until I turned it off and turned it back on, which worked.
    That was around 1:30PM and it just happened again now around 6:30.
    Mobile data is on.

    Any ideas about what's causing this?
    Last edited by NotJustAPhone; 04-14-2014 at 09:47 PM.
  2. #2  

    Default Re: s5 loses connection to AT&T periodically

    Same with me on sprint...

    Posted via Android Central App
  3. #3  

    Default Re: s5 loses connection to AT&T periodically

    Did the 4GLTE or whatever indicator disappear? Or did it still show 4GLTE but you couldn't access any pages?

    dpham00, Android Central Moderator
    Sent from my Verizon Samsung Galaxy Note 3 via Tapatalk Pro
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  4. #4  

    Default Re: s5 loses connection to AT&T periodically

    I have this issue on Sprint too. There are a handful of us complaining to sprint reps about it on the sprint forums. One moderator over there seems to think the UICC codes don't match up from the system and they need to fix it. Waiting to hear back on this. It sure if AT&T has something like this.

    Posted via Android Central App
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  5. Thread Author  Thread Author    #5  

    Default Re: s5 loses connection to AT&T periodically

    The 4g indicator also disappeared along with the AT&T symbol in the top left.
  6. #6  

    Default Re: s5 loses connection to AT&T periodically

    I have AT&T and mine is fine.

    Posted via Android Central App
  7. #7  

    Default Re: Galaxy S5 loses connection to AT&T periodically

    Try replacing the sim

    dpham00, Android Central Moderator
    Sent from my Verizon Samsung Galaxy Note 3 via Tapatalk Pro
  8. #8  

    Default Re: Galaxy S5 loses connection to AT&T periodically

    I had a problem with that and my group messages would come in bunches every now and then. Think it may be fixed now but we shall see
  9. #9  

    Default Re: Galaxy S5 loses connection to AT&T periodically

    My Sprint GS5 will be on Spark LTE, but as soon as it goes down to 3G ot never connects back... I will go back to sprint tomorrow and see what the deal is.. very frustrating.... hoping mine was just a bad one, or maybe they need a software update to fix the issue if lots of people are experiencing the same thing.

    Posted via Android Central App
  10. #10  

    Default Re: Galaxy S5 loses connection to AT&T periodically

    Whats funny is if I restart my phone, its back on Spark LTE.. bit as soon as it loses signal and has to step down to 3G.. it wont go back to LTE without a reboot... my s3 was always on LTE... weird. ..

    Posted via Android Central App
  11. #11  

    Default Re: Galaxy S5 loses connection to AT&T periodically

    This is not really a fix, but you can try to put it into airplane mode and then immediately turn off airplane mode. Should be quicker than a restart

    dpham00, Android Central Moderator
    Sent from my Verizon Samsung Galaxy Note 3
  12. #12  
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    Default Re: Galaxy S5 loses connection to AT&T periodically

    Quote Originally Posted by schwanz583 View Post
    Whats funny is if I restart my phone, its back on Spark LTE.. bit as soon as it loses signal and has to step down to 3G.. it wont go back to LTE without a reboot... my s3 was always on LTE... weird. ..

    Posted via Android Central App
    To make it a little easier, you can try putting the phone in airplane mode, then back out. That will refresh the signal search.

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  13. #13  

    Default Re: Galaxy S5 loses connection to AT&T periodically

    hi im not an at&t user and im from the Philippines but im also experiencing this issue in my galaxy s5 my mobile data signal disappears and when it does it never comes back even when i toggle flight mode the signal returns for a few seconds(less than 5 i think) then drops again all i can do is call or text... i am hoping its only a software any solution guys?
  14. #14  

    Default Re: Galaxy S5 loses connection to AT&T periodically

    From what I've read and through personal experience, it would seem that AT&T and Sprint are the worst service providers on the market.
    Sometimes I use big words I don't fully understand in an effort to sound more photosynthesis

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