It is an upgraded version of the Sony Xperia Arc. The Sony Ericsson Xperia arc S ( Xperia LT18i) is a high-end smartphone developed by Sony Ericsson running Google's operating system Android 2.3.4 ( Gingerbread).
Multi-touch capacitive touchscreen, accelerometerĤ.2-inch 854×480 px FWVGA 'Reality Display' LED-backlit LCD at 233 PPI with mobile BRAVIA engine, 16,777,216 colorsĨ.1 MP (3264×2448), back-illuminated sensor Exmor R CMOS sensor, autofocus, face recognition, geo-tagging, image and video stabilizer, smile detection, touch focus, (officially upgradeable up to Android 4.0.4 'Ice Cream Sandwich' unofficially upgradeable up to Android 6.0 'Marshmallow' via CyanogenMod 13)
