We all know about the leaked RTM Mango bits. After that - Microsoft announced that Mango is already good to go and it is up to the carriers to decide when to ship updates to their customers (and knowing AT&T and T-Mobile, it might take a while). However, August 25th is the official date when the first Mango-based Toshiba IS12T devices will hit the consumer market in Japan, according to the official KDDI website.
The phone will come in three colors - pink, black and magenta. It will be a 32GB device featuring the Qualcomm MSM8655 Snapdragon - a 32bit ARMv7 CPU running at 1GHz. IS12T will support multiple new languages, including Japanesem Chinese and Korean.
More about the specs of the device can be found here.