... unlock, incoming call turn-to-mute, wallpaper changeSpecial function Unique design of the plug-and-play keyboard, High ... WAP, handwriting + keyboard input, radio play, Bluetooth function, GPRS download, MMS, memory expansion, E-book, incoming call firewall, dual card, ... dual standby and dual Bluetooth, display land ownership of incoming call, IP talk, calendar, calculator, currency exchange calculate, ...