Detailed Product Description i9B 3G dual sim dual stanby mobile phone ,quad band cell phone- Operating Frequency: Quad-band 850/ ... Display, Ring Tone, Caller Group - Security Setup: SIM Lock, Phone Lock, Keypad Lock, Black List, Filter List - ... Ring Type: Ring, Vibration Only, Ring & Vibration, Vibration then Ring - Display Screen: 3.2" Touch Screen ...