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Unlocked HTC Sensation 4G on an AT&T smart phone SIM


  1. 55pilot

    55pilot Well-Known Member

    What kind of data performance can one expect from an unlocked HTC Sensation 4G on AT&T? Will it get 4G where 4G is available? Will it get HSPA+ where that is available? Or is it strictly a 1G phone outside of T-Mobile due to "Software differences" as the T-Mobile sales person claimed.

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  2. colnago

    colnago Well-Known Member

    I'ts a hardware thing. Phone will need 850 and or 1900 band radios for 3G and above on AT&T. The Defy and some Samsung are the only ones right now.
    55pilot likes this.
  3. 55pilot

    55pilot Well-Known Member

    Thanks for the info. From the HTC website:

    Sensation 4G (T-Mobile): GSM/EDGE 850/900/1800/1900 MHz

    Inspire 4G (AT&T): GSM/GPRS/EDGE 850/900/1800/1900 MHz, HSPA+ 850/1900 MHz

    I did not realize that all GSM 4G's were not created equal. Seeing this, I wonder what AT&T is planning to do if they are able to acquire T-Mobile (I think it is 50/50 if the merger will be allowed).

    The reports in the non-tech-savvy financial media were that AT&T wants to get their hands on T-Mobile's 4G network. But if the 4G's are not compatible and AT&T needs to go and change the equipment on every tower to be able to use it (while still supporting legacy T-Mobile customers per their agreement with the FCC) the purchase does not make any sense.
  4. colnago

    colnago Well-Known Member

    From what I remember reading, AT&T would use T-Mo's 1700 band for "LTE", along with some 700 band. T-Mo's 850/1900 Edge would be incorporated into AT&T's 3G (I think). Basically if you have a nice "4G" T-Mo handset, you'll have to get a new one for "4G", if/when merger goes through. Seems like a waste given that T-Mo is building out 42Mbs > 84Mbs > 168Mbs on it's "4G".
  5. insertusername

    insertusername Well-Known Member

    Using any of T-Mobiles phone on AT&T will result in no 3G/HSPA+/4G speeds. You'll be limited to Edge speeds, unfortunately.
  6. ruxpin810

    ruxpin810 New Member

  7. colnago

    colnago Well-Known Member

  8. insertusername

    insertusername Well-Known Member

    Soulmanager11 likes this.
  9. andrews317

    andrews317 Well-Known Member

    Hello,

    I live out of the US, in Honduras. I recently bought an HTC Inspire and I love it. The 3G networks here are 850 MHz, so after buying an unlocked phone I am having no problem with it. My speedtest results are between 750-1300 Kbps. My plan is to buy a dual core phone, and I am so happy with HTC sense that I might wanna get the Sensation. Now, is there any version of the Sensation that supports 3G on 850 MHz? I heard from a friend that there is one.
  10. colnago

    colnago Well-Known Member

    If it supports HSPA/UMTS/HSPA+ on 850/1900, then yes. If it only supports GSM 850/1900, then no.
  11. andrews317

    andrews317 Well-Known Member

    I found out theres a version in Canada that supports 3G on 850Mhz. That might be the one I should get. The problem is I cant find it on amazon/ebay.
  12. colnago

    colnago Well-Known Member

    Try searching, "Sensation Z710A".
  13. boomwalla

    boomwalla New Member

    So for the phone to work with At&t's 3g bands the phone would need HSDPA 850/1900 bands?
  14. vk60546

    vk60546 Member

    sorry to resurrect this old thread, but I just found that HTC Service menu allows you to select GSM/UMTS band

    *#*#4636#*#*

    This code can be used to get:

    Phone information
    Battery information
    Battery history
    Usage statistics

    and under phone information, there is a setting for network selection, allowing toggle between GSM only, CDMA, etc.. This one gives more options than going to mobile network setting through the menu.

    Once you enter the code, press the menu button (next to home) you will get the following options:

    Select Band Radio | View Sim Address book
    -- ------
    View Fixed Dialing |View Service Dialing Numers
    Numbers
    -- ----


    Once you chose Select Band Radio, it will ask you for GSM/UMTS band, ranging for Automatic, EURO band, USA Band, Japan, AUS Band, AUS2 band.

    I'm wondering if any of these will work on ATT 3G..?
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