Secret codes for android. USSD commands MegaFon - a complete list What combination you need to enter

We use our smartphones constantly: for work, study, calls and correspondence, and even for games and entertainment. Some literally can not imagine life without their device. But do we all know about our smartphones? It turns out that there are secret possibilities that many people do not guess.

First you need to talk about security. Scammers are becoming more and more ingenious and often use our phones as tracking means or for other adventures. But for this was invented protection. You can simply type certain combination keys and find out if someone does not follow you.

Security codes
*#21#
This code shows whether the redirection of your calls or messages to other rooms is not. Dial this code, and the number will display the number where your calls are redirected. If nothing appears, it means there is no danger. ## 002 #
If there are some suspicions that the redirection is enabled, you can dial this combination. It will turn off all types of forwarding, which is configured on the phone. The code is valid for all smartphones.
Well remember this combination before traveling to another country. This will help not lose money, staying in roaming. So calls will not translate to voice mail And the money from the account will not be taken.
*#06#
This combination displays on the screen an identification number Phone, the so-called IMEI. Knowing these numbers, you can find a stolen phone.

If we talk about security, then you should not forget that much depends on you. Be care about your safety. Never give the phone to unfamiliar people, even a couple of minutes. Use only proven applications and do not download them from suspicious sites. Use messengers who are closed from outsiders.
And now let's talk about other useful codes for smartphones. They are suitable for phones with android system And on other models they will not work. Use codes with caution, because some of them cannot be canceled. If not sure, it is better not to use.
Android settings codes
* # * # 7780 # * # * - Reset settings, completely removes all applications, cancel action can not.
* 2767 * 3855 # - Reset settings to factory, removes everything from internal memory phone
*#*#4636#*#* - full information About the phone.
* # * # 44971539 # * # * - Full information about the chamber.
* # * 663282 * # * # * - Fast backup files.

# 526 # * # * - Quick test wireless network.
* # 1472365 # * # * - Quick test GPS.
* # * # * # * # * - audio test.
* # * # 0842 # * # * - Check vibration and backlight.
* # * # 232337 # * # * - Bluetooth test.

# 31 # (phone number) - hides your room for any subscriber.
# * 2562 # / # * 3852 # - reboot phone.
# * 5376 # - Deleting all SMS.
Codes are launched using the dial application. It needs to be scored on numeric keypadIt will work without pressing the call button. Now you know even more about your smartphone and you can use it to full.

In Google, you can find anything. Only not your phone number on the SIM card.

How to find out - quickly and from any operator?

Collected all the methods in one material.

Universal methods

Look at the contract with the operator or on the start package;
Call the operator and ask;
Call the number of a person in phone book which you are not. The number will be displayed on the screen;
Call the number of a person who have in the phone book. After that, he will be able to know your number by clicking on your name in the call list.

MTS

team * 111 * 0887 #;
call to number 0887;
in the application "My MTS" (version for iOS, Android).

Beeline

team * 110 * 10 #;
call to number 067410;
in the application "My Beeline" (for iOS, Android);
for a USB modem: in the Usb-modem application Beeline, go to the "Account Management" section and select the "My Number" item, then click "find out the number".

Megaphone

team * 205 #;
enable data transfer ( mobile Internet) And go to the site MegaFon.ru (or to the regional subsight). The number will be displayed in the Personal Account, and on the other pages - at the top of the screen;
in the application "MegaFon Personal Area"(For iOS, Android).

Tele2

team * 201 #;
in the application "My Tele2" (for iOS, Android).

Yota.

team * 103 #;
in Yota Appendix (for iOS, Android).

Methods for iphone

"Settings" - "phone" - "My number" (at the top);
Home Menu - "Phone" - "Contacts" (at the top);
In iTunes: "Devices" - "Summary" - "phone number".

Method for iPad (3G / 4G)

"Settings" - "Cell data number".

Method for Android

"Settings" - "On the phone" - "Status" - "SIM status" - "My phone number".

If you have a shell for Android, items name may differ.

It happens that the number is not shown. It happens when you have rebuffed or changed the SIM card in the cabin of the operator.

Employees copied by S. old card on the new keys Encryption and other important information. But the cell "Your Number" fill forget.

Messengers.

Whatsapp: Press three points in the right upper corner - "Settings" - touch your nickname. The room is the latest line.
Viber: Press "More" (button in the lower right corner). The number will be displayed under the avatar and nickname.
Telegram: Basic menu (three strips in the upper left corner). The room will be visible at the top.

Why is it important to know your number

When you buy a beautiful number from hand, a completely different value can be recorded in the SIM card memory. It is stored in the memory cell "NOTE".

If a fraudster has changed "his number", then a beautiful number will be displayed in the smartphone settings. And on the network - a real, issued by the operator.

The call to another number or verification of the methods that the operator offers will help not be disappointed in the purchase.

And in general, buying rooms from hands is unsafe. If you then give such a number to bank cardThe present owner of the room can get a duplicate SIM card and leave you without money.

How to change the number right on the SIM card

Find the old button Siemens A50 or its "colleagues", insert a SIM card into it, in contacts find "your number" and write everything you like, then save. You can even comply with the format.

Another option is an ancient smartphone with Android 4.1 and below.

Come in the "Settings" - "SIM Card Management" and turn off the desired card (or switch to flight mode).
Click on the name of the SIM card and go to the "Information about SIM card" section.
Choose the "Enter Phone Number" item and enter the desired number.

The same works in some shells for Android (for example, in MIUI).

But in any case, your number online will change from this. And then everything would go with beautiful numbers.

In many of our articles, you can see the text like: Win + R.
This text denotes that you need to click on the keyboard the keyboard key with windows logo and letters R..
Keyboard shortcuts are a combination of two or more keys by pressing which you can perform tasks that usually require the use of a mouse or other indicating device.

This list is more complete, most of the keyboard shortcuts are also for other Windows operating systems.

There are the following most frequently used key combinations.

Combine keys to work with text.

Keys	Act
Ctrl + A.	Select all the text.
Ctrl + C. (or CTRL + INSERT)	Copy the selected text fragment.
Ctrl + X.	Cut the selected fragment of the text.
Ctrl + V. (or? SHIFT + INSERT)	Insert a selected text fragment.
Ctrl +?	Move the cursor to the beginning of the previous word.
Ctrl +?	Move the cursor to the beginning of the next word.
Ctrl +?	Move the cursor to the beginning of the previous paragraph.
Ctrl +?	Move the cursor to the beginning of the next paragraph.
? Shift +?	Severe text forward forever.
? Shift +?	Seat text back fores.
Ctrl +? Shift +?	Select text from the position of the cursor until the next word.
Ctrl +? Shift +?	Select text from the cursor position to the beginning of the previous word.
? SHIFT + HOME.	Allocate text from the position of the cursor before the row start.
? SHIFT + END.	Select text from the cursor position until the end end.
Alt left +? Shift.	Switch input language if multiple input languages \u200b\u200bare used.
Ctrl +? Shift.	Switch the keyboard layout if multiple keyboard layouts are used.
Ctrl left +? Shift. Ctrl right +? Shift.	Changing the direction of reading text for languages \u200b\u200bwith a letter to the right left.

Keyboard shortcuts for working with windows and desktop.

Keys	Act
F5. (or Ctrl + R)	Update active window or desktop (if active).
F6 or TAB?	Cyclic switching between the elements in the window or on the desktop.
Alt + Esc.	Cyclic switching between the elements in the order in which they were open.
Alt + Tab?	Cyclic switching between windows in the usual mode.
Ctrl + Alt + Tab?	Open a window for switching between windows in normal mode. To go between them, use the arrow keys.
Win + Tab?	Cyclic switching between items (windows, programs) in FLIP3D mode.
Ctrl + Win + Tab?	Open the window for switching between windows in Flip3D mode. To go between them, use the arrow keys.
Ctrl + mouse wheel (up / down) on the desktop	Increase / reduce the size of the icons on the desktop.
Holding? Shift +?	Selecting up multiple elements in the window or on the desktop, including the current one.
Holding? Shift +?	Selecting down several elements in the window or on the desktop, including the current one.
Holding Ctrl + Space	Allocation of any multiple separate items in the window or on the desktop. To switch to use the arrow keys.
Ctrl + A.	Select all the items in the window or on the desktop.
Ctrl + C. (or CTRL + INSERT)	Copying selected items.
Ctrl + X.	Cutting selected items.
Ctrl + V. (or? SHIFT + INSERT)	Insert selected items.
Alt + Enter?	Opening the properties dialog box for the selected file, folders.
Alt + gap	Displays the context menu of the active window.
Alt + F4.	Closing the current element or output from the active program.
? SHIFT + F10.	Opening the context menu for the selected item.
Win +?	Expand the window to the entire screen.
Win +? Shift +?	Stretch the window to the top and bottom of the screen.
Win +?	Collapse in the window, or roll on the taskbar.
Win +?	Expand and attach the window to the left edge of the screen.
Win +?	Expand and attach the window to the right edge of the screen.
Win + M.	Collapse all foldable windows. Unbounded windows (for example: File properties) will remain on the screen.
Win +? SHIFT + M.	Restore all folded windows.
Win + D.	Show Desk / Return to the program. Folds and restores everything, including unbounded windows.
Win + G.	Cyclic switching between gadgets.
Win + Home.	Collapse / restore all windows except active.
Win + gap	Show work desk without winding windows.

Combine keys to work with multiple monitors.

Combine keys to work with taskbar.

Keys	Act
? SHIFT + Click on the icon on the taskbar	Opening a program or a quick opening of another instance of the program.
? SHIFT + Right-click on the icon on the taskbar	Displays the menu window for the program.
? SHIFT + Right-click on the grouped icon on the taskbar	Displays the menu window for the group.
Ctrl + Click on the grouped icon on the taskbar	Cyclic switching between group windows.
Ctrl +? SHIFT + Click on the icon on the taskbar	Opening the program on behalf of the administrator.
Ctrl + Tab?	Switching between sketches in one group.
Win + digit	Run / switch to the program using the location of its icon on the taskbar. Figures from 1 to 9 are the applications sequence number on the taskbar, counting on the left (0 - tenth application).
? SHIFT + WIN + NIGHT	Run a new instance of the program using the location of its icon on the taskbar.
Ctrl + Win + digit	Switching between the program windows, starting with the last active, using the location of its icon on the taskbar.
Alt + win + digit	Opening the list of transitions for the program using the location of its icon on the taskbar.
Win + T.	Cyclic switching between icons on the taskbar. (From left to right)
Win +? SHIFT + T.	Cyclic switching between icons on the taskbar. (From right to left)
Ctrl + Win + B	Switching to a program displaying a message in the notification area.
WIN. (or Ctrl + ESC)	Opening or closing the Start menu.
Win + R.	Opening the "Run" dialog box.
Ctrl +? Shift + Enter?	Run the program allocated in the Start menu on behalf of the administrator.

Combine keys to work in Windows Explorer.

Keys	Act
Win + E.	Run Windows Explorer.
Alt +?	View the previous folder.
Alt +?	View the next folder.
Alt +?	View the folder located at the level above.
Alt + D.	Select the address string.
Alt + P.	Display view area.
Ctrl + E.	Select search field.
Ctrl +? SHIFT + E.	Displaying all folders in which the selected folder is invested.
Ctrl + F.	Select search field.
Ctrl + N.	Opening a new window.
Ctrl +? Shift + N.	Creating a new folder.
Ctrl + W.	Closing the current window.
Ctrl +.	Rotate the image clockwise.
Ctrl +	Rotate the image counterclockwise.
Ctrl + mouse scrolling wheel	Resize I. external view File and folder icons.
HOME	Go to the top position of the active window.
End.	Go to the bottom position of the active window.
Delete. (or Ctrl + D)	Remove the selected item in the "basket".
? SHIFT + DELETE.	Removing the selected item without placing it in the "basket".
F2.	Rename the dedicated element.
F4.	Displays the list of previous locations for the address string in Windows Explorer.
F11	Deploying the active window to full screen / folding back.
?	Cutting the selected item (if it is deployed) or the choice of the parent folder.
?	Displays the selected item (if it is rolled) or the selection of the first subfolder.
? Backspace.	View the previous folder.
NUM. Lock + * on digital additional keyboard	Displays all folders attached to the selected folder.
NUM. Lock + + on digital additional keyboard	Displays the contents of the selected folder.
NUM. Lock + - on a digital additional keyboard	Cutting the selected folder.

Keyboard shortcuts for dialog box.

Keyboard shortcuts for working with Windows help.

Keys	Act
F1.	Opening the reference of the current element.
Win + F1.	Run the built-in Windows dialog: Help and support.
F3.	Move the cursor in the "Search" field.
F10	Go to the "Parameters" menu.
Alt + A.	Go to the user support page.
Alt + C.	Display table of contents.
Alt + N.	Go to the "Connection Settings" menu.
Alt +?	Return to the previous viewed section.
Alt +?	Go to the next (previously viewed) section.
Alt + Home.	Go to homepage Help and support.
HOME	Transition to the beginning of the section.
End.	Transition to the end of the section.
Ctrl + F.	Search in the current section.
Ctrl + P.	Conclusion section for printing.

Combine keys to work with the center of special features.

Keys	Act
Win + U.	Run the center of special features.
NUM. Lock (hold more than five seconds)	Enable / disable voicing mode when you press keys Caps Lock. , NUM. Lock and Scroll Lock.
? SHIFT (Press five times)	Enable / disable keys sticking mode (allows you to use the keys? Shift, Ctrl, Alt, Win by pressing them separately).
? SHIFT on the right (hold more than eight seconds)	Enable / disable input filtering (allows you to ignore brief and repeated keystrokes).
Alt left +? SHIFT left + PRTSCR (or Print SCREEN)	Enable / disable high contrast mode.
Alt left +? Shift left + num Lock (or num)	Enable / disable the mouse control from the keyboard.

Combine keys to work with the program "Magnifier".

Keys	Act
Win + +.	Running the "Screen Magnifier" program. Increase.
Win + -	Reduce scale.
Win + Es	Closing the screen magnitude program.
Ctrl + Alt + D	Switching to "fixed" mode (the enlarged area is shown in a separate fixed window).
Ctrl + Alt + F	Switch to "Full Screen" mode (All screen increases).
Ctrl + Alt + L	Switch to "Enlarge" mode (the area around the mouse pointer increases).
Ctrl + Alt + R	Changing the size window displaying an enlarged screen area.
Ctrl + Alt + Space	Preview of the desktop in full screen mode.
Ctrl + Alt + I	Inversion of colors.
Ctrl + Alt +?	Attaching the window with an enlarged area to the top edge of the screen. ("Enshrined") Movement windows with an enlarged area up. ("Increase") Movement along the enlarged area up. ("Full screen")
Ctrl + Alt +?	Attaching the window with an enlarged area to the bottom edge of the screen. ("Enshrined") Move the window with an enlarged area down. ("Increase") Movement on the enlarged area down. ("Full screen")
Ctrl + Alt +?	Attaching the window with an enlarged area to the left edge of the screen. ("Enshrined") Window movement with an enlarged area left. ("Increase") Movement on the increased area to the left. ("Full screen")
Ctrl + Alt +?	Attaching the window with an enlarged area to the right edge of the screen. ("Enshrined") Move the window with an enlarged area to the right. ("Increase") Movement on the increased area to the right. ("Full screen")

The remaining key combinations.

Keys	Act
ENTER?	Replaces clicks with the mouse to start the application, click on the button or select the item in the menu.
ESC	It is identical to press the Cancel button in the dialog box.
F3. (or Win + F)	Opening the built-in dialogue windows windows To search for a file or folder.
Ctrl + F.	Opening the search window or go to the search field in the active window.
Ctrl + Win + F	Computer search from the domain (when on the network).
Ctrl +? SHIFT + ESC	Launch Task Manager.
Ctrl + Alt + Delete	Calling a window Windows security (Includes buttons to block the computer, change the user, exit the system, change the password, start the task manager).
Win + L.	Blocking a computer or user switching.
Win + X.	Launch Windows Mobility Center.
Win + Pause Break	Run the system system from the control panel (Properties when you press the Right-click on the computer in the Start menu).
Holding? SHIFT when inserting a CD	Preventing automatic playback of the CD.
Ctrl + Tab?	Switching between elements (tabs, windows, documents) in programs that make the simultaneous opening of several documents.
Ctrl + F4.	Closing an active document (in programs that make the simultaneous opening of several documents).
Alt + Enter?	Expand the active program for full screen / fold in the window.
Alt + underlined letter	Display the corresponding menu. Running the menu command (or other underlined command).
F10	Activating the menu line of the current program.
?	Opening the next menu on the left or closing submenu.
?	Opening the next menu to the right or opening submenu.
Ctrl + N.	Create ...
Ctrl + O.	Open…
Ctrl + S.	Save the changes made.
Ctrl + Z.	Cancel action.
Ctrl + Y. Ctrl +? SHIFT + Z.	Repeat action.

Material prepared: nizaury

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Term " secret codes For Android, "Certain combinations of characters are called, initially intended to test the tools to which this OS is installed. Thanks to them, manufacturers check smartphones before shipping for sale. The total number can reach several dozen. The introduction of a specific sequence will give the opportunity to receive information or perform actions that are not available to the usual user. For example, learn imei identifier, roll back to initial settings Either check the operation of some modules.

What can android secret codes do on a smartphone

Most of the specified codes are considered common to many android and mobile devices.

Each code is injected with a keyboard where it will be gained. telephone number. Hidden options are also in most cases will depend on the developer. In addition, there is no guarantee that they will function on each model mobile device.

It is possible to try their impact on Samsung, Lenovo, HTC, Motorola, Sony, etc..

These codes will be generated by the manufacturers of android, which seek to correct the various difficulties that the user may encounter. Based on this, such codes will help the consumer control over the device by combining characters and numbers.

Hidden codes will give the opportunity to better learn your own smartphone or tablet, make some changes.

It is possible to obtain data on the adaptation and make various operations. Here are some android codes:

Roll back to the initial form.
Remove all information.
Reinstall the firmware of the smartphone.
Test monitor.
Check the code.
Check the battery status and other things.

Features of "secret" ciphers

A large number of consumers who have faced with the need to use such teams, the question of the cause of secrecy arises. First of all, a similar name of the combination of characters and numbers is due to the fact that most of the owners of the devices on android are not required. In the manual, there are no mention of such teams. To apply any of them, you will need to enter the phone in the phone number (green or blue tube on the main display). Smartphones without module 3G there is no such option by default. To run the code, the consumer needs to download a special, finding it in Play Market. Upon request "DIALER".

Combinations for any gadget on Android OS

Information sequences I give the opportunity to get lowness of various parameters of fixtures, its individual components:

* # 06 # - About the IMEI-identifier number;
* # * # 4636 # * # * - About the battery and network Wi-Fi;
# * # 44336 # * # * - About the firmware;
# * # 232338 # * # * - about the address of the wireless network;
# 34971539 # - About cameras adaptation;
* # * # 1234 # * # * (often it will work * # 2222 #) - about the firmware.

During input * # * # 1111 # * # * It is possible to get on the monitor information about the software version. Introduction * # * # 2222 # * # * will show information about the challenge of the tvfon or tablet. Sensor version data shows * # * # 2663 # * # *, about operative memory - * # * # 3264 # * # *, and Bluetooth address information - * # * # 232337 # * # *.

Commands for verification and tests

To test the device, there is a specific group:

check google service Talk is possible by combination * # * # 8255 # * # *;
to check the functioning of the monitor - * # * # 0 * # * # *;
to test different details - * # 0 * #;
to test audio - immediately 2: * # * # * # * # 0289 # * # *.

Checking the work of lighting and vibration is possible by a portwide introduction combination * # * # 0842 # * # *. Wireless network Testing by the command * # * # 232339 # * # 526 # * # *. Check the GPS sensor is possible, sending commands * # * # 1472365 # * # * (for ordinary test) or * # * # 1575 # * # *. Bluetooth is checked using * # * # 232331 # * # *. Some useful teams give the opportunity to test the performance of the monitor (* # * # 2664 # * # *), movement detectors (* # * # 0588 # * # *) and GSM module (* # * # *). Introduction * # 197328640 # will provide the transition to the service mode.

Dangerous combinations

Specific variations are known, when entering which it is possible to make dangerous changes to the system without return option to the initial position. They are attributed to them, for example, * # * # 7780 # * 3855 #. The first combination will save the settings and eliminate the software installed by the consumer, the second fully reinstalls the operating system. Combination * # * # 7594 # * # * will make it possible to eliminate the shutdown menu - while pressing a specific key in the phone or smartphone will occur, without user requests. When choosing a combination of * # * # 8351 # * # *, a voice recording will turn on, and * # * # 8350 # * # * will help disable such a mode. Combination # * 5376 # Using in order to remove SMS, and some for Android like # * 3876 #, # * 3851 # and # * 2562 # Exercise rebooting the device.

Specials for products of individual manufacturers

Most developers, in addition, apply the basic combinations from "pure" Android, can be introduced into their own software and graphic shells "secret" special combination. In some situations, this is done to simplify work with a variety of service menus, in certain cases to expand functionality:

Mainly for this manufacturer of mobile devices and tablets will be relevant any of the above combination. It should only be remembered that in the individual EPST menu it is possible to go using the ## 778 code (then press the "Call" key).
It should be used each universal combination, code * # 05 *** # in order to unlock PUK.
Regarding such a South Korean manufacturer, then the company was limited to the creation of 1 full-fledged commercial menu with an intuitive interface. It is necessary to introduce special ovenness, however, it will differ for various branches of the devices. For Russia, the international version is currently becoming a combination - 3845 # * 855 #. These codes are comfortable when an experienced user android wants to find a certain service or menu. But not in all situations it is possible to find information about full list "Secret" control combinations for a certain device. Find similar information from the phone / tablet is possible using Secret Codes.

Modern smartphones at the hardware level have a complex structure, however, at the same time, they can be controlled by another more intricate software. Manufacturers initially create everything in the control envelope so that any consumer can individually adjust the product for itself. In a situation with devices under the control of android, except for visible functions, different engineering options are hidden in the software shell. The study and application of them is possible thanks to the symbolic-numerical special combinations.

Examples of engineering codes and combinations for checking components, communications and other modules.

All mobile phones support USSD codes, thanks to which the user can get reference information Or connect additional features. To do this, you need to open standard application To dial the number, enter a specific combination of characters and wait for the display of the dialog box. Usually, service codes work on all smartphones with the Android operating system, regardless of the manufacturer. Today we will look at the list of the most useful and current combinations.

IMEI checking

Combination *#06# Allows you to check the unique identification number. mobile phone. This feature is useful to users to find out detailed information about the manufacturer and the approximate date of the device. IMEI is also sometimes necessary for cooperation with law enforcement agencies - if the phone was stolen or lost, experts on the identification number.

Testing smartphone

Service code *#0*# Designed to verify the status of all components of the mobile device. The combination allows you to test touch screen, speakers, digital Camera and vibration. The code will come in handy to users planning to purchase a phone with hands. It allows you to make sure that the device works normally and performs all the necessary functions. Usually this check takes no more than one minute, but, unfortunately, the combination *#0*# It works not on all smartphones.

To check the used phone before buying, it is better to explore.

Phone status checking

The code will allow you to see the current state of the radio module, the built-in battery and the use statistics. Such a combination helps to detect problems associated with the operation of internal components. For example, if the device refuses to make outgoing calls or receive calls, it suffices to dial this code and check the status of the network, in particular,.

Quick reset settings

Combination *#*#7780#*#* Helps instantly return to the factory settings. Of course, you can perform such a procedure, but sometimes you have to use the service code. His set leads to full removal Applications and all data, so it is not recommended to experiment.

GPS Testing

If the user notices the occurrence of errors when used satellite navigationit is recommended to dial code *#*#1575#*#* for check . As a result will appear detailed information About the state of this component. Of course, only specialists are able to solve the problem. service CenterBut the combination can be useful and ordinary users wishing to detect the cause of the problem.

Delete messages

The code #*5376# Allows you to quickly delete all SMS messages stored in the device's memory. The combination helps to clean the phone from spam - much more convenient to dial a short sequence of characters than manually delete each SMS. The main thing is to pre-make sure that the "Inbox" folder does not contain important letters.

Firmware version

Short code *#2222# Designed to display version operating systeminstalled on the phone. It helps make sure that the device has modern software.

Call Forwarding Check

Each owner android phone may score a combination *#21# To verify the fact of call forwarding. If, as a result of entering characters, nothing is displayed, most likely, redirection is disabled. If the phone number is displayed, then voice calls are redirected.

Deactivate the function is simple enough - you need to dial ##002# And wait for a confirmation notice. This code Especially relevant for travelers going to another country. The combination will allow you to disable call forwarding to voice mail and save cash For the use of roaming.

Restart phone

The code #*2562# Allows you to quickly restart the mobile device. This combination is useful if the physical keys refuse to function. The code is suitable only for some phone manufacturers, so on other models you need to enter a sequence of characters #*3852# . Immediately after specifying the numbers, the smartphone will automatically turn off and turns on again.

Checking a GSM signal

RESULTS

there is a large number of designed to display system information and management of the hidden capabilities of the operating system. In order not to forget the listed combinations, you can record in the memory of the mobile device. The described codes will help you quickly check the performance of the smartphone components, test the operation of communication modules or return to factory settings to correct errors.