Carrier t-mobile iphone 6 issue lte / 4g

Discussion in 'iPhone' started by rigormortis, Dec 6, 2014.

  1. rigormortis macrumors 68000


    Jun 11, 2009
    has anyone had this problem with t-mobile ?

    you are connected to LTE doing LTE stuff. maybe just idling or maybe listening to music , and you want to check your data plan / minutes so you pick up your iPhone and you dial #932# or #646#

    it knocks my iPhone 6+ to 4G speeds. and it stays slowed down from 20 second to 5 minutes before it decides to try LTE again

    this isn't a cosmetic issue, with the screen, the speed is actually been slowed down

    if lte settings are set to DATA ONLY , the phone can stay connected to 4G to 20 seconds

    if lte settings are set to DATA & VOICE, the phone takes an average of 1 minute and 15 seconds to come back to LTE. maybe as long as 5 minutes

    putting in airport mode does not restore LTE
    reset network settings did not help
    reseeding the sim card did not help either
    rebooting iPhone does bring back LTE but does not prevent it from going to 4G

    apple was stumped , all they could say is for me to contact my carrier to have my account reprovisioned

    tmo is stumped they said to call apple

    they gave me a direct # to an iPhone specialist
  2. machtv macrumors regular

    Oct 6, 2014
    just out of curiosity why would you want to check your data or mins when tmo is unlimited...
  3. Chatter macrumors 6502a

    Jun 10, 2013
    Uphill from Downtown
    In some areas, LTE is for data streaming only. When you call, it reverts to 4G. They are updating the towers so in places like Philly or NYC, its not an issue. My guess is that there is something with your location and how the phone handles different tasks when connected to LTE.

    Just a guess. I only notice this during phonecalls.
  4. rigormortis thread starter macrumors 68000


    Jun 11, 2009

    i am on the ultra cheap walmart plan of 100 minutes of talk and 5 gb of data for $30 and i have been checking it to make sure music freedom is covered
  5. scaredpoet macrumors 604


    Apr 6, 2007
    FYI, I just tried this, and it knocked me to 4G for minute and then went back to LTE. So it's definitely not just you. There must be something about their networking provisioning, or the codes just aren't enabled to work under LTE.


    Nope, that's not it. VoLTE is enabled network-wide on T-Mobile.

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