Answered
ADT problem device offline
Hi
have a problem with Samsung Galaxy S7 and adt tool. how to make online my connected device?

in device Settings>Developer options>USB debugging is on
what I am missing?
Hi
have a problem with Samsung Galaxy S7 and adt tool. how to make online my connected device?

in device Settings>Developer options>USB debugging is on
what I am missing?
There are a few solution here, maybe one would be your situation too:
Android ADB device offline, can't issue commands - Stack Overflow
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