While mounting the Android device through SDK for adb shell, following error occured:

insufficient permissions for device

Solution For Insufficient Permissions For Device

To make this issue resolved, lets try running the following commands in the Terminal:

sudo adb kill-server

After running this command, now run:

sudo adb devices

If you are able to see the List of devices attached with some long numbers, instead of questions marks ???, then your problem could have been resolved.

Now you can use the adb shell, or whatever the functions you were performing, for which you were having the insufficient permissions for device error.

Hope this will work.

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