In idle mode, allows you to access WAP service by pressing upward, menu mode by downward, menu function by leftward and agenda function by rightward quickly.
In idle mode, allows you to access WAP service by pressing upward, menu mode by downward, menu function by leftward and agenda function by rightward quickly.
空闲模式下，快速向上按进入WAP服务，向下按进入菜单模式，向左按进入菜单功能，向右按进入记事本功能。