The Samsung Galaxy S2 i9105 Blue Grey features 4.3-inch ,Wi-Fi enabled, alphanumeric keypads, it has Dual SIM functionality (GSM+GSM) powered by 1.2GHz processor (Android-Jelly Bean) and 3G & 2G Network Support , Primary Camera 8MP-2MP Secondary camera, S Pen S Memo,Video player, Music player, Video recording, FM radio with recording, 1GB RAM, 16GB internal memory, Expandable storage capacity 64GB. Additional feature which you will get it are Handset, Guide, phone book memory, call memory & SMS memory, important apps like ChatOn, Yahoo Messenger, Facebook, Twitter, Google talk; call blacklists and much more features with one year manufacture warranty for the phone and 6 moths for the in-Box series.