If you are at least a little interested in the world of mobile phones and are interested in technology, then you are sure to have your smartphone's settings thoroughly explored. Thanks to this, you know what your phone can do and how it can make your life easier (or sometimes even a little more complicated). But did you know that it is also possible to use special codes on all phones, thanks to which you can view various settings, test some parts of the phone or view other interesting informace, which you don't normally find on your phone?
The mentioned codes originally served (and sometimes still do) technicians who, in case of a problem with the device, need to quickly find out additional informace or perform various tests. Thanks to this, they often get to the bottom of a problem and can repair the phone more easily. However, if even an ordinary user knows these codes, he can also use them. However, given that most of you do not know them, we have prepared an article with their overview for you. A list of all interesting codes, including their description, can be found below.
Hidden codes for phones with Androidin:
Factory reset
Open the Phone app and type the following: * # * # * # * # 7780
Reinstalling the firmware
Using the code * 2767 * 3855 # you can reinstall the current firmware on your phone. Of course, you can also connect your phone to a PC and reinstall the firmware using a third-party application.
Activation of service testing mode
By code *#*#*#*#197328640 you activate a mode that is primarily intended for testers and Android programmers.
Informace about the camera
If you want to see the exact type of camera on your phone, write * # * # * # * # 34971539
Backing up media files
Believe it or not, by code *#*#*273 283 255* 663 282*#*#* you can create a backup of your media files.
Monitoring service for Google Talk
It's kind of an open secret that Google is tracking us all. But if you want to know what data Google stores about you, simply write * # * # * # * # 8255
Informace about the battery
You can of course see the current battery capacity of your phone in the upper right corner. But if you want to find out more information, use the code * # # 0228
Informace about encryption
What type of data encryption does your phone use? If you want to find out, write * # # 32489
Mobile data usage statistics
Almost everyone uses mobile internet on their smartphone these days. But there's never enough, and we usually use up our data package before our billing period ends. There are probably thousands of mobile data tracking apps out there, but if you want really accurate data from your phone, use a code *# 3282 * 727 336*#
3D testing
Unfortunately, this code probably won't work on all devices, but you can still try it and if you're lucky, you can see if your device is capable of rendering 3D objects. Use the code for testing 3845 #*920#
Wi-Fi testing
Somewhat longer code 526#*#*#*#* or 528#*#*#*#* you can test your WLAN network
GPS testing
If you want to find out how accurate your phone's GPS is, use the code * # * # * # * # 1575
Bluetooth testing
And the last of the series of code used for testing is * # * # * # * # 232331. This is especially useful if you have any problems with Bluetooth. After entering the code, you will also find out which Bluetooth module is in your phone.
Display FTA SW (Software)
If you want to see what firmware is on your device, then write * # * # * # * # 1111
Display FTA HW (Hardware)
Now that you have informace about the software, so see what hardware it's running on using the code * # * # * # * # 2222
Diagnostic settings
Take a look with the code * # # 9090 to configure your diagnostic tests.
