Some Germany report says that the two high-end devices will be unveiled before this year's IFA conference. The smartfones are the Xperia S60 and Xperia S70. The report also cites some European dealers as saying that the devices could be available there as early as mid-August, possibly around August 18.
As for now, we now noghting about specifications except both hansets will have 32GB if internal memory, and there will come in 4 color options: white, black, yellow, and coralie.
The devices are expected to cost more that Z4, with price around $850-$920 range.
None of this information has been officialy confirmed, so stay tuned.