Please enter the mobile phone master, what special buttons do the mobile phones have, such as those

"*" is generally a pause button, and most of the basic pulse button ** machines are attached to this "*" key. When the user makes an external call, if it cannot be connected, use the "*" key, and wait until the dial tone (secondary dial tone) of the public network is heard and then released, so that the automatic switch of the public network can operate correctly. If you only use the " " resend key according to the above method instead of pressing the "*" key to pause, in case the dial tone of the public network switch comes slowly, an incorrect action will occur.

** " " " key on the machine.

On the old Pulse Machine, the key was used to redial the previous number. When you hear a busy tone due to a pause, put on the microphone and take it off, after hearing the dial tone, press the " " button, you can automatically send the ** number that was pressed last time again, if you still can't get through, you can press it many times. It should be noted that this kind of machine may only be seen in museums and collectors.

However, with the upgrading of the machine, the key of the dual audio machine that is now commonly used has been given a new purpose, because the dual audio machine has a dedicated "redial" key. **There is one more on board"*"Key, when you use the first machine to call the user or the answering party of the automatic pager is a computer operator, and the key plays the role of interval, conversion, confirmation, end dialing and so on according to the requirements of the other party when dialing, in addition, and the key is also used for program control ** new business, such as the registration and cancellation operation when handling the service items such as busy memory, transfer call, reduced dialing, etc.

In the ** machine produced by different manufacturers, some special functions may also be arranged for the key, such as the long press key in the Siemens mobile phone to operate the keypad lock, etc., please refer to the manual of the ** machine.

In standby mode, long press is muted.

Press * and then right button to lock the keyboard.

In the SMS state, long press is to change the input method.

Press * to be the symbol and long press to switch between pinyin and strokes.

It's useful, at least you can press *

The screen is liquid crystal, made of glass and a liquid. Most of the keys are made of Shuo material, and the shell is made of Shuo material, aluminum alloy, and stainless steel. Precious metals are mainly found on the surface of circuit boards and are found in very small amounts.

The screen is an external component, the most intuitive experience, the quality of the screen, directly affects the visual experience, the types of screens on the market are OLED screen and LCD screen. The sensor senses changes in light and adjusts the brightness of the screen.

The three keys (with physical or virtual keys) under the smartphone are: the back button, the home button, and the function key.

Home button: Generally located in the middle of the three buttons, some brands of mobile phones set the home button as the physical home button, which is used to return from the current page to the desktop home page.

Function key: Generally located on the left side of the three buttons, its function is to bring up the menu bar options to slow fiber.

Tips for using the navigation keys on your phone.

The navigation keys are used to control the behavior and drive the control wheel.

Tips to reduce the number of uses: You can combine each module in the menu into 9 folders, corresponding to 1-9 number keys, and all folders can be set according to this.

After opening the menu, you can know which folder the file you want to check is in, and press which number key, so you don't need to use the navigation key to find the folder. You can also move folders as often as you use them, i.e. you can use the stool to put them in front.

When opening a file to opt out, you don't have to go down one by one until you reach the exit option, but you can push the navigation key up to find the exit option in the fastest and fewest steps.

You can also set the left and right selection keys for the most commonly used functions to reduce the number of times you use the navigation keys. <>