Believed to be a variant of the Samsung Galaxy S II with LTE 800 Mhz band, Appears in South-Korea and rumored codenamed "Celox". Specifications including APQ8060 dual- CPU Qualcomm procesor (), a 4.5" Super AM-Oled plus display, a 1 GB of internal storage, MicroSD up to 32GB offcourse, brings Android Gingerbread as it soul, powered by a 1750mAh battery and capable to work on LTE 4G network at LTE band 800 Mhz.
LTE 800 Mhz used by carriers in the European region. The large carrier such as Vodavone, TeliaSonera and O2 already provide 4G services using this frequency. Samsung Galaxy S II Celox LTE mentioned to September launch and could be aimed for consumers in Europe, since LTE 800 MHz frequency will not work with Verizon or Sprint that uses LTE band 700 MHz.
The same phone also mentioned will be available in Verizon with LTE 700 Mhz band - still no official word about Verizon Samsung Galaxy S II, and also palled to be launched by Sprint with WIMAX bands under the name "Samsung Within" that latest word said about it visit to FCC with WIMAX and CDMA EVDO bands.
http://sammyhub.com/2011/08/09/is-this-samsung-galaxy-s-ii-lte-phone-codenamed-celox/