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  1. Thread Author  Thread Author    #1  

    Default Wrong motherboard?

    I bought a refurb ATT S3 on ebay and was trying to upgrade to 4.3. While in ODIN it says the model is sgh-t999 (T-Mobile).

    Does this indicate that I don't have an i747 motherboard? The phone indicates its an i747 in android?

    Thanks
  2. #2  

    Default Re: Wrong motherboard?

    Sounds like being a refurb they swapped out the motherboard from a T-Mo S3. It should function without problem since T-Mo & AT&T are both GSM based carriers there shouldn't be any radio/modem based issues on the motherboard. The rest should for the most part be universal between the S3's motherboards.
    Paul
    Moderator Team Leader @ Android Central





  3. Thread Author  Thread Author    #3  

    Default Re: Wrong motherboard?

    It's works, but only 3G. Is the t999 motherboard able to receive att lte? I have read conflicting posts. I tried flashing the att modem, didn't work.

    Thanks
  4. #4  

    Default Re: Wrong motherboard?

    If it is a T999 mother board it will not be able to use AT&T's LTE. Different frequency.
    SGH-T999
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