10 key combinations on your smartphone that will be useful in any incomprehensible situation

All smartphones have their own system combinations to carry out various actions with their gadget. Using service codes, you can get useful information and access to those functions that are not available in normal mode.

In fact, the combinations were designed to test and evaluate the operation of the device, they can be used to call up various menus. Some of them can help out in a difficult situation.

The use of these combinations is recommended only for experienced users, as an erroneous code entry can lead to loss of phone functionality, as well as software damage.

To enter a combination, you need to open the “phone” application, enter the code and press the “call” button.

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 *#06#

When you enter this code, the IMEI number will appear on the screen - this is the international identifier of the mobile equipment, that is, it is a unique individual number of the smartphone. If the smartphone has two SIM cards, two IMEI numbers will be displayed.

By individual number you can see on the Internet information about how long the warranty is valid, the exact date of manufacture, whether the phone was stolen or repaired. Also, in case of loss or theft of the phone, knowing IMEI, you can block the smartphone through the network of the mobile provider.

When contacting law enforcement agencies, the police will also ask for an identifier, because by it they can determine the location of the device. Therefore, it is advisable to know and record the number of mobile equipment in advance.

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 *#0*#

The combination will bring up a free screen test menu. The test will check the performance of various functions of the gadget: speakers, microphone, screen, camera, vibration.

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* # * # 1234 # * # * or * # 12580 * 369 #

The command allows you to find out information about the firmware of the gadget, as well as show the software version.

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# 31 # 89 ———- (after # phone number)

Makes a call and hides the number of the subscriber from the one who is being called Valid for outgoing calls.

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*#*#7594#*#*

The code will configure the operation of the power button. When you press the on / off button for a long time, the action menu appears on the display (turn off, restart, turn on flight mode), this combination makes changes to this menu. Now when you press the button, the phone will turn off without displaying the menu.

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* # * # 7780 # * # * or * # * # 7378423 # * # * (remembered as * # * # SERVICE # * # *)

The code allows you to reset the data to the factory settings. In this case, a reset will not affect the already installed applications and information on the memory card. Only suitable for Android smartphones.

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*2767*3855#

If necessary, you can completely reinstall and return the settings to their original form. This will reset all Android settings and completely reinstall the system. Before you apply this combination, you should think twice, because the data can no longer be returned. The phone will reboot, and then the reset process will go.

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#*2562#, #*3851#, #*3876#

The code restarts the Android smartphone.

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*#*#4636#*#*

Allows you to get information about phone information, battery performance, usage statistics and information about Wi-Fi (can be remembered as * # * # INFO # * # *).

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*#5005*7672#

A combination for users of Iphone smartphones. You can find out the service center number of their provider.
On some smartphones, these commands may not work. It depends not only on the device, but also on the version of the operating system.

On Android smartphones, you can start checking and testing all the functions of the gadget

* # 0011 # - service menu of the smartphone;
* # * # 526 # * # * or * # * # 528 # * # * or * # * # 232339 # * # * - test wireless WLAN;
* # * # 0289 # * # * or * # * # 0673 # * # * - testing melodies and audio files;
* # * # 2664 # * # * - touch screen testing;
* # * # 0842 # * # * - test vibration and display backlight;
* # * # 1575 # * # *; * # * # 1472365 # * # * - GPS test;
* # * # 8255 # * # * - test Google Talk function;
* # 0588 # - testing the motion sensor;
* # 0589 # - test of the light sensor;
* # * # 232331 # * # * - testing the Bluetooth function;
* # * # 3424 # * # * - testing menu on smartphones;
* # * # 197328640 # * # * - displays the service menu, in which various tests are run to check the device;
* # * # 73556673 # * # * - the demo mode is activated, testing a large number of functions (easy to remember - * # * # SELLMORE # * # *).

In addition to digital and character codes, phones have so-called “hot keys”. These are buttons on the smartphone, which, in addition to the main purpose, are used in combinations and perform some functions.

Create a screenshot

To create a screenshot on Android, the power button and the volume down button are simultaneously pressed, and the phone will take a screenshot of the screen. The image is immediately saved in the Screenshots folder. On Iphone, you need to quickly press the shutdown and Home buttons. The file can be found in the screenshots folder.

Home Button

A long hold of the Home touch key on Android will show a list of the most recently used applications. Double-clicking this button on the Iphone also allows you to view open applications. And holding the key for a while causes Siri - a virtual voice assistant that can launch any program.

Quick reboot

If the screen starts to freeze and the phone slows down, you can restart the smartphone. Pressing the power button and the volume down button for 10 seconds at the same time will restart the phone. On the Iphone, the power button and the Home key are pressed for this for 10-15 seconds.

Warning: during use, the combination must be entered with caution to avoid undesirable consequences. Do not try to change something in the settings, if you don’t know the mobile device.