The Sony Xperia M has been available for a while now, and Sony will be launching another version of the handset before the end of the month in Russia, the Sony Xperia M Dual.
The Sony Xperia M Dual features a dual SIM card slot, the rest of the specifications on the handset are the same, and include a 4 inch FWVGA display with a resolution of 854 x 480 pixels, plus a dual core Qualcomm Snapdragon S4 processor and 1GB of RAM.
The Xperia M Dual features 4GB of built in storage, plus a microSD card slot that takes up to 64GB cards, it also features a front facing VGA camera for video calls and a rear facing 5 megapixel Sony Exmor RS camera which can record 720p video, plus Android 4.1 Jelly Bean.
The Xperia M Dual will retail for 10,990 Roubles, which is around $346, it will launch in Russia before the end of September, and will also launch in India next month.
Source Xperia Blog