1. Balti43's Avatar
    I want to buy an iPhone 4/4s for my mother and i was curious if an iPhone 4 (AT&T) unlocked would work well on t-mobile. or (i know that iPhone 4s AT&T are capable of handling AT&T's 4g network) if the iPhone 4s would be able to handle Tmobile's 4G network unlocked.


    Thanks in advance for the help.
    11-18-2013 08:34 PM
  2. Eileen89's Avatar
    Thread moved to the T-Mobile forum for better exposure.

    As long as the AT&T iPhone 4/4S that you want to use is unlocked it will work perfectly on T-Mobiles network. I was using a T-Mobile Sim in my old unlocked AT&T iPhone 4 and 4S, and both worked perfectly fine.


    Sent from my iPad Air.
    Last edited by Irish Rose; 11-19-2013 at 07:38 AM. Reason: Typo
    Balti43 likes this.
    11-18-2013 09:25 PM
  3. Balti43's Avatar
    Thread moved to the T-Mobile forum for better exposure.

    As long as the AT&T iPhone 4/4S that you want to use is unlocked it will work perfectly on T-Mobiles network. I was using a T-Mobile Sim in my old unlocked AT&T iPhone 4 and 4S, and both worked perfectly fine.
    now as for the question on 4G.. are you getting tmobiles 4g on your 4S?
    Last edited by Irish Rose; 11-19-2013 at 07:40 AM. Reason: Fixed the Quote tags
    11-19-2013 03:03 AM
  4. Eileen89's Avatar
    now as for the question on 4G.. are you getting tmobiles 4g on your 4S?
    Sent from my iPad Air.
    I don't have my 4S anymore as I sold that a while ago. However, the speeds that I was getting was about 2-4Mbps up and less than 1Mbps down. So while the speed was alright it was still slow for 4G. Right now I'm using a T-Mobile sim in my AT&T iPad Air getting LTE speeds of 33Mbps up and 8Mbps down. T-Mobile seems to be improving their network everyday, therefore they may have improved their 4G network since I last used it as well.
    Balti43 likes this.
    11-19-2013 07:48 AM
  5. Massie's Avatar
    Be really careful about this. While ATT iPhones can be unlocked and used on t-mobile, only the iPhone 5 models released after April 2012 have native support for the 3G band used by t-mo. T-Mobile is reframing their network to offer 3G to older devices like yours but coverage is very spotty still. My unlocked 5 on t-mo gets 4G/LTE no problem, butbecause they haven't reframed my area with the new 3G supportif there's no LTE it drops directly to Edge or GPRS.

    More here: http://m.imore.com/2g-4g-my-bizarre-...ience-t-mobile
    Balti43 likes this.
    11-19-2013 10:07 AM
  6. Balti43's Avatar
    thanks folks appreciate the replies.
    Eileen89 likes this.
    11-19-2013 04:51 PM

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