The USB Debugging allows you on the HTC One an optimized connection to the computer. This mode allows to get a better connection to the smartphone for testing as a developer. Most of you will probably never use the USB debugging, but we will show why the function is not only interesting for developers.
The USB debugging optimized namely the connection between your Windows PC and the HTC One. So it may be that if your HTC One is not recognized by your PC, it works after enabling USB debugging.
That is why we tell you now, how you can activate on the HTC One the USB debugging and therefore to optimize the USB connection. For this purpose, however, the developer menu must be unlocked first.
Opens from the home screen the menu and then the Settings. Scroll down to the entry "Info" and then select "Software Information" --> "More". Now you see various information on your HTC One. Among other things, you will find here the entry "build number". On this you must now tap very quickly several times.
This will then enable the developer options on the HTC One, which can then be found in the settings. Now you have the developer options enabled on the HTC One open it via Menu --> Settings.
The developer options must now be activated via the master controller. Scroll down until you can see "USB debugging". Enable the function by using the slider. Now, if you connect a USB cable to the HTC One and to the PC, then USB Debugging is automatically activated. Your PC should now recognize the device without any problems and you can access your files on your smartphone.