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What is USB Debugging?

All Android devices have hidden features that are primarily intended for app developers - USB debugging is one of them. If the function is activated on the smartphone and the device is connected to a desktop PC, the developer receives extended access to the system functions of the smartphone via the PC.

For example, developers can access the log files of their apps. These provide information on how apps work, in which processes there are errors and correct them.

Apps that want to read certain content from the device also need the debugging interface. For example, if you want to use the MyPhoneExplorer program to synchronize contacts between your smartphone and computer via a USB cable, USB debugging must be activated. Some backup apps and recovery programs also need the interface.

Since changing the directories can impair important app and device functions, it is advisable to generally be careful with the extended access rights. We recommend activating the function only for specific projects (e.g. a backup) and deactivating it again after use.

If it remains activated, your device is vulnerable to malware. It will also be easier for cell phone thieves to bypass the password lock.

Instructions: Activate USB debugging

The screenshots in this manual were taken with a Huawei P20 and Android version 8.1 (Oreo). Navigation and screen view may vary with other Android versions and depending on the device manufacturer. We have marked deviations known to us.

Note: The process may not work if the device is already connected to a computer by cable. In this case, you should disconnect and reconnect the devices.

1. Open system settings

Open the device settings (gear symbol). Scroll all the way down to the point and tap on it.

Tap on . (With older Android versions you will already see the point or also).

2.Unlock developer options

USB debugging is what is known as a developer option. To unlock all developer options, you need to tap on the build number. You can find it under.

Now select the point.

Now tap the entry repeatedly until a message appears.

Tap the entry several times. Starting with Android 8.0, the lock screen appears after seven taps. The message only appears after unlocking.

4. Open developer options

The menu item is now activated. You can find it under or.

Navigate back to the menu item. Now you can see the new point here. Tap on it. On Android 9, they are under the point.

5. Activate USB debugging

Scroll all the way down to Debug Settings. Move the slider at to the right.

At the very bottom you will find the debugging settings. Move the slider at to the right.

Important: Remember to disable USB debugging again as soon as you no longer need it. Otherwise your device is vulnerable to malware.

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