Change your phone’s USB mode to PTP, MTP (File Transfer/Android Auto), or USB Tethering.

Plug the USB cable directly into the USB ports on your motherboard (at the back), rather than the ports on the front of your PC or on a USB hub.

Plug the USB cable into a different port.

Swap out your USB cable for a higher quality one.

If running adb devices still won’t return any devices, there are a few things you can try: Replace the file destination with your own: You can do this by entering the command below. Open the Command Prompt (PowerShell and Terminal will also work) and change the directory to where you unzipped the file earlier. Step Three: Test ADB and Install Your Phone’s Drivers (if Needed) Check the “Always allow from this computer” box and tap OK. Later on, when you connect your phone to your computer, you’ll see a popup entitled “Allow USB Debugging?” on your phone. Head back to the main Settings page, and you should see a new option in the “System” section called “Developer Options.” Open that, and enable “USB Debugging.” You should get a message saying you are now a developer. Scroll all the way down and tap the “Build Number” item seven times.

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”. Step Two: Enable USB Debugging on Your Phone Just make sure to remember where you unzipped the files, we will need to access that later.

Android studio install adb