A good way to renew your Android without spending too much money is to choose to buy a terminal that is not new, that is, to buy a used mobile. Beyond the sales platforms for refurbished phones, the market opens up enormously in terms of models and budget if you go to individuals, but in both cases you will find a challenge: do things right by buying an Android in the best possible conditions.
Being able to have it in your hands and test it is only the beginning to see the condition of its case, how the screen is or if it works as well as expected, but there are things that cannot be seen with the naked eye. : that the battery holds a sigh, that the Wi-Fi does not pick up well, that the fingerprint sensor is bad… among other things. Do not panic: Android has hidden codes to know the status and operation of the mobile.
Because these testing minutes are invaluable but maybe you are missing something or you don’t have time so by typing these character combinations you can have a complete hardware diagnosis of your possible future device– All you have to do is open the phone app, dial them and check.
These are the most important Android secret codes to know the status of a used mobile
Go for it Depending on the brand and model, there are some variations between codes.so it doesn’t hurt to review those regarding the brand you want to buy, like these for Xiaomi mobiles or this specific one for Samsung, but we have gathered the essentials to check the status of the terminal of the main brands.
Before you start, check the IMEI
How to find out the IMEI of my cell phone and what it is used for
*#06# This is a universal code, so it doesn’t matter the brand or model of the mobile: just type this simple combination for the IMEI to appear on the screen. What is the IMEI for? To verify its origin, as it may have been reported stolen or lost.
Access hidden diagnostic menus
This menu allows access to the hardware diagnostic menu to obtain detailed information on its status, in order to detect possible failures in its operation.
- Samsung Galaxy: *#0*#
- Google Pixels: *#*#7287#*#*
- Motorola: *#*#2486#*#*
- Xiaomi: *#*#6484#*#*
What you see below these lines, for example, is what appears when you type the corresponding combination on a Google Pixel:
In addition to performing a complete test, you can check the most important parts. It is therefore particularly interesting to realize keyboard tests where to analyze if all the physical buttons are working correctly (you will see how the screen turns green) or the screen tests (“Display”) to check how the maximum or minimum brightness or backlight is going.
They generally go unnoticed but it is relevant to test how the touch sensor of the screen behaves in search of dead pixels or thin areas, the essential accelerometer or proximity sensor, as well as the different vibration modes in the vibrator test, simulate a call looking for speaker and microphone faults or also check the port status.
Finally, it doesn’t hurt to ask the seller to restore the phone to its factory settings, eliminate any possible apps or fixes, verify that the operating system is working and performance is adequate.
By | The computer today
Cover | Xiaomi World
In Xataka Android | The 11 Most Important Android Secret Codes to Perform Security, Privacy, and Maintenance Tasks Instantly
