Techs & Trends
Does anyone know what is up with Cingular and At&t phones?
I am a used cell phone retailer and i usually just deal in T-mobile phones that are unlocked. I have a T-mobile and a Cingular sim card. I recently bought a few T720 and T722 to try to sell, they were At&t phones. I was told those and the other phones i bought were unlocked. Now all the phones that were T-mobile worked fine for both sim cards and so did the Cingular ones. But when i got to testing the At&t T720's and T722's they would not take my T-mobile card or Cingular card it kept saying there was a code that i needed. Since they were suppose to be unlocked there shouldn't be any codes still in there should there be? Or is it just that these old AT&T phones don't take Cingular and T-mobile cards? If so is there any tip any one has as to...
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The phones were either not unlocked, or someone put a SIM lock on each phone so that they'll only work with the SIM that was in it when it was locked.
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