Although each manufacturer incorporates their own secret codes for their terminals, there is a collection of hidden codes common to all Android phones that are used to access service, test and settings menus useful in maintenance tasks. Between the common ones and the good ones, the list is long, so we advise you to go to this application to discover them, but it is not necessary, far from it, that you know them all: they are the most important hidden codes to improve the security and privacy of your mobile.
Some Considerations
How to activate these hidden numbers? Just go to the phone app and enter them as they are, as if they were any phone number.
When you enter them, the system performs the corresponding function, but with great power comes great responsibility: Be very careful when modifying the system menu settings because we could alter the operation.
Finally, it should be noted that there are codes that might not be recognized as activewhen working in certain countries, carriers or device versions.
*#*#7780#*#*
And return to factory settings which will delete all device app data and personal information, as well as all installed apps. Perfect if you have an idea to put it on sale.
*#*#7780#*#*
*2767*3855#
A code of cleanup and restore that reinstalls the firmware, ideal to have the first stable firmware. Typing it will erase all information on the device (like a factory reset) wiping the data and also reinstalling the firmware, so it will be like new.
*2767*3855#
*#0*#
If your phone is not working properly and you doubt that a third-party application is to blame, use this code to run a battery of individual tests with their corresponding results: front camera, RGB, touch controls, emulators, device version, sensors…
*#0*#
*#*#197328640#*#*
This code activate service modewhich allows you to run a series of tests that include speakers, screen RGB calibration, vibration and haptics and even change some network settings… In addition, it displays information about the network and radio related activities of the device, such as radio signals, IMEI, SIM card and even Wi-Fi and Bluetooth.
*#*#197328640#*#*
*#4986*2650468#*#*
Use this code to verify what firmware does your phone have, which can help you find out if it has been tampered with or if it is original, because sometimes rooting a device changes its firmware. It’s especially useful if you’re going to buy a used phone, returning important information like its model, hardware, radio, and even the date of manufacture.
*#*#4986*2650468#*#*
*#*#232338#*#*
This code displays the MAC address (Support Access Control), a unique code assigned to each device and used to uniquely identify that device when connected to a network.
*#*#232338#*#*
*#*#4636#*#*
Very useful code that comes back just now component information of your device. Thus, you can see statistics on the applications you use the most, the consumption of the battery, its temperature or its voltage or the data of use in Wi-Fi. This code can be used to check the state of the battery when buying a second-hand phone or if you have suspicions about the nature of an application and thus check that it consumes too much battery.
*#*#4636#*#*
*#3282*727336*#
Important code to view system and storage information of the device, as well as more statistics associated with its use. Any data usage on the device will also be displayed on the screen.
*#3282*727336*#
*#06#
Although most modern smartphones are printed with the IMEI on the back that you can compare with the one on the box, one way to find out is to type in this code. In case it is Samsung, it will also tell you the serial number. This code can be useful if you buy a used phone and check the warranty or file a complaint in case of theft.
*#67#
If you want to know if your calls are forwarded to another number, enter this code to find out: it will tell you if call forwarding is active and if so, to which number your calls are directed. In most cases what you find will be your carrier’s voicemail.
*#67#
*31#
For maximum privacy, type this number to make your number unknown, in this way those who receive your calls will no longer know their origin. You can cancel this function simply by typing it again, in which case the message indicating that the function has been deactivated will appear.
*31#
In Xataka Android | How to know the secret codes that your mobile supports and the number you must dial
Table of Contents
