现今多数手机在进行功能设置时，需从主菜单一级级选择进入，按键次数多达十几次，费时麻烦，而利用数字键便可快速进入选项，按键次数只有２至５次，方便又快捷。 你只需先搞清楚所要设置的功能项目在子菜单的第几项，便可用先按菜单再按数字键的方法快速进入选项。 如“清除 Most mobile phones in today’s function settings, the need to enter the main menu from a level to select the number of keys up to a dozen times, time-consuming and troublesome, and use the numeric keys to quickly enter the option, the number of keys is only 2 to 5 times, convenient and Fast. You only need to figure out the function items to be set in the submenu, you can use the first press the menu and then press the number key to quickly enter the options. Such as "Clear