All of us who have a mobile phone in our pocket, sooner or later have begun to experience inexplicable events on the device . Quiet, despite being close to Halloween that does not mean that we are going to talk about haunted mobiles, but about those configuration errors that sometimes appear on phones, without really knowing why.
If you have never run a diagnostic test on your own smartphone, it is worth doing, especially when the terminal begins to show faults due to its age or some recent update. In the same way, it never hurts to do it before buying a second-hand smartphone and eliminate all the sweat about its condition.
Diagnostic tools are also useful when the civilian starts acting strange and you can’t figure out why. Instead of trying to find solutions until you find a solution, a diagnostic test can highlight exactly what is wrong with the phone. Accessing this menu is as simple as making use of some hidden Android codes that give us access to all the information on the device.
Diagnostic code on Android
To enter these codes, simply open the default dialing app on your phone and use your fingers to press the correct buttons, it’s that simple.
- * # 0 * #: hidden diagnostic menu present in some Android smartphones that allows a check of at least part of the phone’s hardware. The menu offers a series of independent tests to verify the performance of the various parts of your phone, such as the screen (touch recognition, color accuracy), the cameras, sensors, and physical buttons such as the volume and power controls.
- * # * # 4636 # * # *: usage information menu that allows to know the application usage history; real-time wifi and data network connection statistics; and basic phone information, such as current service provider, phone number, etc.
By analyzing the information present on these screens, you will be able to see if the smartphone has any type of failure with any particular application or component and you will be able to act accordingly.
Codes hidden by brands
As we have said, these codes work with most Android phones but there are times when entering them from the phone app will not happen. In these cases, the safest thing is that you can use the hidden diagnostic codes of other brands.
- Hidden code in Huawei: * # * # 2846579 # * # *
- Hidden code in Samsung: * # 9090 #
- Diagnostic code on Motorola: ## 4636 ##
These keys will give you access to the different components that give life to your mobile so that you can go testing menu by menu where are the possible failures that are causing so many headaches.
Source>Lifehacker
