i have build android 6.0 for udoo neo board then i have connect usb OTG cable for access adb shell. for that i given following commands malar@malar-ubuntu:~$ adb devices List of devices attached 071951d4e3167fd0 offline i google for this issue some of them said to give following command adb kill-server adb start-server but still i got malar@malar-ubuntu:~$ adb devices List of devices attached 071951d4e3167fd0 offline i don't know how to fix this problem. thank you
Make sure that USB debugging is turned on in the developer options, also try to change USB mode between charge only / MIDI