To use ADB with your Android device, you must enable a feature called "USB Debugging." Open your phone's app drawer, tap the Settings icon, and select "About Phone." Scroll all the way down and tap ...

Android apps outside Play Store now need verification, but ADB still lets users sideload without digital signatures.

Sometimes, things go wrong, making your device's hardware and software experience less than ideal. It may be related to a change you made or a newly installed system update that is causing glitches.