In principle, from the configuration menu of a smartphone we should be able to control any aspect of its operation, but those who created it use certain hidden codes and menus for internal use.

Android is an operating system that can do many things. It is so malleable and customizable that it can work on both smartphones and tablets as well as on computers, smart TVs and multimedia centers.

Its popularity is such that it is the operating system more used in Internet , surpassing the all-powerful Windows.

And just like any operating system that boasts, in addition to the options and menus that any user has access, has hidden nooks and crannies designed for use by IT technicians and for those who design the devices that will run Android.

The origin of the secret codes is in the need to perform certain tasks or obtain certain information in the maintenance or repairof a machine or device without being visible to the current user, who in many cases has no interest in it.

Any machine or device has secret codes , from a printer to a vending machine, and in the case of mobile phones, from the beginning they have had secret codes. The most popular ones, perhaps, are the ones that release a phone that we have purchased from a particular phone company. But there are many more.

Today we are going to review the secret codes of Android, a series of numerical combinations that serve to obtain information, test device elements, restore the smartphone or activate secret menus.

As in the phones prior to the era smartphone, these codes are activated from the call application with the numerical keys (nowadays digital). Pressing Call will execute the code.

Using a code does not make a call , so it will not affect your data plan or calls or access the internet.

Codes for information

The following codes will help you get to know aspects of your device that you may not find in the Android menu or prefer to get it in a faster or direct way.

  • * # 06 # Indicates the IMEI number of your phone, a unique identifier of your device.
  • # # 4636 # # Provides a very complete listing of information about your smartphone.
  • # 12580 369 # Provides both software and hardware information.
  • # # 232338 # # Indicates the MAC address of the device.
  • # # 232337 # * # Indicates the Bluetooth address of the smartphone.
  • # # 44336 # # Provides firmware and changelog information.
  • # # 34971539 # # Displays device camera information.

Codes for testing

With these codes you will have the possibility to check the operation of different elements of your smartphone in case it is giving you problems and you are thinking of taking it to repair knowing the specific problem.

  • # # 197328640 # # Activate test mode device.
  • # # 232339 # # Try the Wi-Fi.
  • # # 0842 # # Test for brightness and vibration.
  • # # 2664 # # Try the touch screen.
  • # # 232331 # # Try the Bluetooth.
  • # # 1575 # # GPS test.
  • # # 0 # # * LCD test.
  • # # 0289 # # Audio test.
  • # # 0588 # # Test the approach sensor.

Other useful codes

There are a myriad of secret Android codes. Here are some that will be as practical as the previous ones.

If you reset your phone, make a backup , an SD card or your Google Drive space before losing your current information and settings.

  • # # 273282 255 663282 # # * Backs up the media folders.
  • # # 7780 # # Resets the phone to factory settings.
  • * # 9090 # Displays the diagnostic settings.

Concrete manufacturer codes

The codes we’ve seen work on virtually all Android devices. But in the case of certain manufacturers , there are more codes that you can take advantage of to your advantage. Let’s see the most remarkable.

Samsung

  • * # 9090 # Activates the service mode.
  • * # 0228 # Check the status of the battery.
  • * # 1234 # Indicates the version of the software used.
  • # 12580 369 # Provides hardware and software information.

HTC

  • ## 3424 # Diagnostic mode.
  • ## 786 # Menu to reset the phone. It is advisable to backup before.
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