You need to press a combination of keys. USSD team Megafon - full list

Service become useful in cases where the user needs to access some features that are not available in normal mode. By and large, they were invented to test the operation of the device, but we can also use them to call up various menus.

Advanced users deal with them all the time. For example, on some Galaxy devices, you can adjust the sound volume, find out hidden information about the phone, and much more. Now we will analyze the most useful service codes that are suitable for users of Samsung smartphones and tablets.

How to enter a service code?

Denial of responsibility: this information is intended for advanced users. You should not try to change anything in the settings if you are not familiar with mobile devices. We are not responsible for any subsequent problems, including loss of data or damage to hardware.

All service codes for Samsung Galaxy smartphones and tablets

I repeat that you should not touch those parameters, the meaning of which you do not know. You risk losing the functionality of your phone or valuable data.

Useful Keyboard Shortcuts for Samsung Galaxy

• Enter the recovery: in the off state of the phone, hold down the volume buttons up, Home and power
• Bootloader / fastboot mode: you also need to turn off the phone, and then hold down the volume buttons, Home and power
• Take a screenshot: on the desired screen, hold down the volume up, power and, of course, the Home button.
• Force the phone to go into the off state: simultaneously hold down the volume down and power buttons

We hope these system codes and key combinations will be useful to you, but, as for the 100th time, we want to warn you that you should use them with double caution.

8 combinations on your phone will help you find out if you are being tapped. How much talk lately about wiretapping, which suits intelligence officers, be it an ordinary worker or a high-ranking figure. But no one fully knows how deep security officers can go in listening to mobile devices.

Perhaps this is just a figment of the sick fantasy of the mass media and spy films that do not cease to be popular all over the world, and there are no auditions at all.

Below are 8 combinations on your phone to help you figure it out. These combinations are not known to most phone users, not even every operator knows about them.

1. *#43#
Displays information about call waiting on the phone.

2.*777# (code for Ukraine)
Find out your current balance and display a menu mobile operator depending on which one you are currently using.

3. *#06#
This code allows you to get unique IMEI data of any phone.

4. *#21#
With this combination, you can find out if your calls, SMS or other data are coming to someone else besides you. All this can be done by finding out if call forwarding is enabled on the smartphone.

5. *#33#
Information is displayed about which services your phone supports and which of them are coming from the device at the moment. It can be calls, sms and much more.

6. *#62#
Shows the number to which your calls and data are forwarded, if any.

7. ##002#
This code is used to disable call forwarding so that only the owner of the machine, i.e. you, can receive calls.

8. *#30#
Gives the necessary information to determine the number of incoming calls.

These simple combinations can protect you from easy ways to infiltrate your phone from the outside. However, from more complex methods, if any, they are unlikely to be reliable protection.

Secret codes for iPhone: pushing the boundaries of what's possible

Did you know that the iPhone has secret codes? With their help, you can see a lot: from signal strength to call forwarding status. So let's see what we can do here:

1. Hide your phone number

If you need to hide your phone number, it is enough to perform this simple manipulation, and you will already be calling as “Unknown”.

Sticks and dashes are today a visual embodiment of signal strength that lacks precision. Turn on “Field Test Mode” or “Field Test Mode” and dial the number as above. Then after starting the call, hold down the power button. Once the screen turns off, press the center button and wait until you return to home screen. You will be interested in the number in the upper left corner of the iPhone, which will replace the sticks, indicating signal strength.

3. Find out your unique phone code

It is in the settings, but in order not to search for a long time, just dial the following combination of numbers.

4. Determine where your messages are coming from

Any SMS first gets to the SMS center by a special identification number. To find out, dial *#5005*7672# and call! Voila!

5. Call barring and call waiting

The call barring mode allows you to block incoming and outgoing calls, and the “waiting” mode allows you to hold the current or incoming call. If you have paid for both of these services, you can use the above codes. Share this useful information with your family and friends!

We use our smartphones all the time: for work, study, calls and correspondence, as well as for games and entertainment. Some literally cannot imagine life without their device. But do we know everything about our smartphones? It turns out that there are secret possibilities that many do not know about.

First, let's talk about security. The scammers are getting more and more creative and often use our phones as tracking devices or for other escapades. But for this, protection was invented. You can simply type a certain key combination and find out if anyone is following you.

SECURITY CODES
*#21#
This code shows if your calls or messages are being forwarded to other numbers. Dial this code and the screen will display the number where your calls are redirected. If nothing appears, then there is no danger.##002#
If there is any suspicion that forwarding is enabled, you can dial this combination. It will disable all types of call forwarding that is configured on the phone. The code is valid for all smartphones.
It is good to remember this combination before traveling to another country. This will help you not to lose money while roaming. So calls will not be transferred to voice mail and money will not be withdrawn from the account.
*#06#
This combination displays the phone's identification number, the so-called IMEI. Knowing these numbers, you can find a stolen phone.


If we talk about security, then do not forget that a lot depends on you. Take care of your safety. Never give your phone to strangers, even for a couple of minutes. Use only trusted apps and don't download them from suspicious websites. Use instant messengers that are closed from strangers.
And now let's talk about other useful codes for smartphones. They are suitable for Android phones and will not work on other models. Use cheats with caution, because some of them cannot be canceled. If you're not sure, it's best not to use it.
ANDROID SETTING CODES
*#*#7780#*#* - Reset settings, completely removes all applications, you cannot undo the action.
*2767*3855# - factory reset, removes everything from internal memory phone.
*#*#4636#*#* - complete information about the phone.
*#*#34971539#*#* - complete information about the camera.
*#*#273283*255*663282*#*#* - fast file backup.

*#*#232339#*#* / *#*#526#*#* - quick wireless network test.
*#*#1472365#*#* - quick GPS test.
*#*#0673#*#* / *#*#0289#*#* - audio test.
*#*#0842#*#* - vibration and backlight check.
*#*#232337#*#* - Bluetooth test.

#31# (phone number) - hides your number for any subscriber.
#*2562#/#*3852# - reboot the phone.
#*5376# - delete all SMS.
The codes are triggered using the dialer application. It must be typed on the numeric keypad, it will work without pressing the call button. Now you know even more about your smartphone and can use it to the fullest.

At the present time, a lot of useful equipment has been invented, technology that somehow facilitates, helps in this modern, technological world. The once ordinary landline phone has become almost a full-fledged computer, leaving behind the main function of the phone. But, and the design and its auxiliary functions are improving every year. All this is to ensure that the consumer feels as comfortable as possible and his “little helper” is always nearby. It carries in itself enough functions, without which a day cannot be dispensed with in the modern world.

Almost everyone has such a gadget as a smartphone. But not everyone knows that in addition to calling, playing a game or surfing the Internet to see the weather, there are also secret numbers (codes). One way or another, they can be useful at any moment. In this article, you can find several useful numbers that may be useful in the future to the smartphone user. Some codes are valid for both the Android system and iPhone users. But there are information numbers only for certain products.

Reminder.

Most of the codes, when re-entered, bring the device back to its previous state. In some cases, a code to cancel the used function will be added to the description.

1. *#06# - IMEI (Android/iPhone)

With this combination, you can find out the International Mobile Equipment Identity (IMEI). This feature is very useful if mobile device was lost or stolen. Knowing IMEI using the provider's network, you can block your phone. Also, this identifier is often verified by the police in order to know who previously owned this phone.

1. *#30# — Identification number

This code will help disable the identification number. This feature is useful if the user wants to hide the number and become incognito for a while.

1. *#*#4636#*#* — Secret menu and statistics (Android/iPhone)

By entering this number, a menu with certain statistics will open. In each device, this function shows its own data. Here you can find out the status of WI-Fi, battery, CPU and much more.

1. *33*# - Call blocker. #33*pin#- disable this feature (iPhon only)

The name itself speaks for itself here. When enabled, it blocks all incoming calls.

1. *#*#7780#*#* - (Android only)

All data as well as applications, be deleted. The phone will be clean as soon as purchased. There is no return using this feature. You need to think carefully before entering this code.

1. *2767*3855 - Full reinstall (Android only)

This code will cause the device to completely reinstall the firmware. Here, too, you need to weigh everything before using this function.

1. *3370# - EFR Encoding (iPhone only)

Improve the sound quality of the speaker when talking. Using this number will be better and clearer to hear the interlocutor. However, with this function, there is a large load on the battery, which leads to its rapid discharge.

1. *#*#8351#*#* - Listening to yourself (Android only)

This feature allows you to listen to your own voice. This will help you remember what was discussed in the last 20 calls.

1. *#5005*7672# - Service Center (iPhone only)

You can quickly find out the number service center the provider you are using

1. *#*#7594#*#* - Quick shutdown (Android only)

With this key combination, the smartphone will instantly turn off. Bypassing the long hold of the power button and the subsequent auxiliary menu

1. *43# — Waiting for a call. #43# - Cancel this function (iPhone only)

By typing this combination, with utter turmoil, the smartphone will ease the situation. After enabling this feature, the phone will notify you of missed calls. You can also receive an incoming call with it.

1. *#0011# - Quick service menu (Sumsung Galaxy)

Here you can find out some information about the device, as well as the service mode.

1. *#21# - Voicemail (iPhone only)

All incoming calls will be immediately forwarded to voicemail.

1. *#31# Phone Number - Hide Number (Android/iPhone)

This is probably the most requested feature. When dialing this code, the number will be hidden. And the screen will display " unknown number».

This is just a small selection of numbers. There are many more codes for both Android and iPhone.

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Knowing the right keyboard shortcuts can greatly improve your productivity. Brainscape has calculated that a person who spends 8 hours in front of a computer a day can lose 64 hours a year using a mouse instead of a keyboard for most tasks.

Although everyone knows a couple of keyboard shortcuts, like Ctrl + C for copy and Ctrl + V for paste, we rarely try to find or use other combinations. site compiled a list of 10 essential keyboard shortcuts that will turn you into a power user. All our schemes are relevant for the Russian layout. In addition, for those who are just learning how to touch-type on the keyboard, there is an interesting bonus at the end.

Cancellation Refund

For Windows users: While most of you know that Ctrl + Z is used to undo an action, did you know that there is a keyboard shortcut that works the other way around? Pressing Ctrl + H will redo the action you undid.

For Mac users: Command + Shift + Z

Screenshot of active window

For Windows users: The Print Screen (PrtSc) key on the keyboard is used to take screenshots of the entire screen. But if you want to quickly take a screenshot of only the active window, press Alt + Print Screen. This saves you the hassle of editing your screenshot to cut out just the part of the image you want.

For Mac users: Ctrl + Shift + 4, then press the space bar. This will change the cursor from a crosshair to a camera icon. Now click on the window you want to take a photo of.

Create a new folder

For Windows users: The most common way to create a new folder is to right-click or trackpad and then select New - Folder. An easier way is to press the Ctrl + Shift + T keys at the same time.

For Mac users: Shift + Command + N. This will open a new folder in Finder.

Keyboard with emojis

For Windows 10 only: When you press a key Windows and keys Dot the emoji keyboard will be displayed. This does not work on previous versions of Windows.

For Mac users: Place the cursor in the text field where you want to insert the emoji. Now press Ctrl+Command+Spacebar to access them.

Minimize all windows

For Windows users: What if you need to immediately minimize all open windows? A simple Windows key + b will work wonders!

For Mac users: Option + Command + M.

blocking

For Windows users: If minimizing windows isn't enough, you can lock Windows by pressing the Windows key + D. You will need to enter your Windows password to continue working.

For Mac users: Ctrl+Shift+Power.

Add a new virtual desktop (Windows 10)

Whether you keep a lot of applications open at the same time, or use your computer for a wide variety of tasks, virtual desktops offer a convenient way to keep the clutter at bay. To add a new virtual desktop, press Windows + Ctrl + V. To moving back and forth between virtual desktops use keyboard shortcut Windows + Ctrl + Right Arrow / Left Arrow. Keystrokes Windows + Ctrl + F4 will close the current virtual desktop.

Google Chrome browser

Open Chrome in incognito mode

For Windows users: You probably know that Ctrl + T and Ctrl + E are used to open a new window and tab in Google Chrome. But if you often use Chrome in incognito mode, pressing Ctrl + Shift + N (Ctrl + Shift + T in Russian layout) at the same time will save you time.

For Mac users: Command + Shift + N.

Reopen a recently closed tab

For Windows users: If you accidentally close the desired tab, you can open it again by pressing Ctrl + Shift + E. Each time you press these keys, a previously closed window opens. Chrome browser remembers the last 10 tabs you opened.

For Mac users: Command + Shift + T

Open links in a new tab without opening it

For Windows users: When you use Google to search and click on a search result, a new tab opens corresponding to the clicked link. If you want to open more links that appear on the search page, you must return to the main page each time. To stay on the search page and open all the results you want to view in separate tabs, hold down the Ctrl key while clicking on a link. This method will work for all links you click anywhere while using the Chrome browser.

Home keys for fingers of the right hand: F, D, L, O (with little finger on F).

Nail color each finger corresponds to the color of the keys on the keyboard.

After pressing any key, the finger should return to its "home" key.

After you have practiced enough and built up muscle memory for each finger, you no need will constantly return to the "home" keys.

What other underused keyboard shortcuts do you know? Share with us your experience.