1. Dave Hindle's Avatar
    Ok - I have an AT&T S5 and want to 'convert' it to a 3 Mobile S5

    I can seem to do everything apart from WifI Mobile Hotspot tethering - says I have invalid sim.

    I have already posted on this but this is s;oghtly different question.

    I looked up differences between SM-G900A (AT&T) and SM_G900F (3 mobile) versions of the S5.

    The only differences I can spot is that they have different frequencies for 4G - is this a hardware difference or a software difference ? If it's hardware then I presume I will never be able to get full 4g on a 3 mobile sim??

    08-26-2014 12:50 PM
  2. bbmjack's Avatar
    AT&T is only for this network and it's locked to it
    G900F is international device works with every Sim card

    Posted via the Android Central App
    08-28-2014 01:28 PM

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