Finally, your computer may not have the right driver for your device installed and therefore does not recognise it.Also try switching to the camera option and then back to the media device (MTP) option, to see if Android Studio then picks up the the device. Change the USB connection options there to “Camera PTP” and see if that solves the issue.

You can bring up these settings as follows: when your device is connected, drag down from the top of the screen to open the notification window. Try and play with the USB connection settings and see if that solves the issue.

It could be a settings thing on your phone.Your need a cable that can transfer data. Some cables only charge your device and cannot carry data. If you don’t see your device connected even though you have it plugged it and debug mode enabled, check the following: You’ll get a short pop-up in the lower area of your display saying that you’re now a developer. Navigate to Settings > About Phone > scroll to the bottom > tap Build number seven (7) times like you want to be part of a secret society.Platform VersionAPI LevelVERSION_CODE Android 5.1 22 LOLLIPOP_MR1 Android 5.0 21 LOLLIPOP Android 4.4W 20 KITKAT_WATCH Android 4.4 19 KITKAT Android 4.3 18 JELLY_BEAN_MR2 Android 4.2, 4.2.2 17 JELLY_BEAN_MR1 Android 4.1, 4.1.1 16 JELLY_BEAN Android 4.0.3, 4.0.4 15 ICE_CREAM_SANDWICH_MR1 Android 4.0, 4.0.1, 4.0.2 14 ICE_CREAM_SANDWICHĮnabling USB debugging for KitKat and Jelly Bean (4.2 and later): Make a note of your device’s Android Version and API level. That way you can show it to your gran and you don’t have to wait for the (slow) emulator to load every time you want to run your app. You’ll want to run your app on a real device. Step 4: Setup your Android Device: enable developer options and debugging

If an update is available you will have a window like this appear.

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