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AT&T GS3 on Straight Talk (T-Mobile)

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  1. S_John

    S_John New Member

    Hello all,

    I recently bought an unlocked version of an AT&T GS3 SGH-I747. I am planning on using straight talk for this device on the "t-mobile network". Will I be able to access the T-Mobile 4G/LTE or will I have some stunted version of the network?

    SGH-I747 runs on 2100 hz band...same as T-Mobile's new network so I'm hooping so.

    Thank you for any input.

  2. runtmms

    runtmms Well-Known Member

    I'm using Solavei, a T-Mobile MVNO, so that's where I got my info.

    If you have the phone in hand, Solavei has a phone compatibility check where you enter the IMEI. This should tell you what you can expect with that phone on the T-Mobile network.

    T-Mobile is in the process of refarming their network to be iPhone friendly - adding 1900mhz. This would also make them compatible with other AT&T phones lacking the1700mhz band.

    Here is a frequency explanation.

    I've been very happy with Solavei.

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