Sony Ericsson website leaked the photo of the Z780a for AT&T. The Sony Ericsson Z780a passed FCC while ago and we mentioned it will come soon. AT&T hasn’t officially announced this phone yet, but it is well known it will appear in their handset lineup. The Z780a is the variant of the Sony Ericsson TM506 for T-Mobile. It will carry a 2 Megapixel camera, quaband GSM, and UMTS/HSDPA 850 and 1900. Also, as the TM506, it will be built-in aGPS.
We can expect this phone available probably the same time where the TM506 will and also, the Z780a will come in two colors, white/black and Blue/Black.
More info will be added soon.