iPhone ios 9.3.1 low signal reception compared to 9.2.1

Discussion in 'iOS 9' started by mtx4, Apr 16, 2016.

  1. mtx4 macrumors member

    Joined:
    Jan 18, 2016
    #1
    On my 5s I observed low 3g signal compared with 9.2.1, one dot less for sure !
    In my home I observed 3 dots, now 2 dots sometimes 1, never happened before.
    Compared to my sister's 4s the reception is also worse, one dots less in every place and same carrier.
    The modem version is 6.02.00, but that is also in 9.2.1, so why ?
     
  2. mtx4 thread starter macrumors member

    Joined:
    Jan 18, 2016
  3. vertsix macrumors 65816

    vertsix

    Joined:
    Aug 12, 2015
    #3
    This has nothing to do with the update itself, and maybe with the carrier updates you applied.
     
  4. mtx4 thread starter macrumors member

    Joined:
    Jan 18, 2016
    #4
    No carrier update, same carrier and modem firmware of the 9.2.1, but really the reception now is a bit less.
    I don't understand why.
     
  5. Mlrollin91 macrumors G4

    Mlrollin91

    Joined:
    Nov 20, 2008
    Location:
    Ventura County
    #5
    It's possible 9.2.1 was being overgenerous with the dots compared to your actual signal strength? Have you reset network settings?
     
  6. mtx4 thread starter macrumors member

    Joined:
    Jan 18, 2016
    #6
    I did a DFU installation. I don't think 9.2.1 was more generous because my 4s get the same signal of my 5s with 9.2.1 but now is a dot less with 9.3.1
     

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