adb devices List of devices attached emulator device If the device is listed as offline, go to the Android device and check for the. The number you see in the adb devices list (in your case ) will be . with system image x86 always is offline where emulator with system. To get rid of the "offline" device, you will need to find that application and close it PS C:\Users\CJBS>adb devices List of devices attached emulator host. Below is the TCP traffic to the emulator ADB port ( in this instance) on a startup that fails. I have a number of examples of this with the same. I ran push emulator /file path/ /sdcard/ while the emulator was online, then did adb devices and the emulator was offline and did not. So I was messing around with ADB today to get ready to root my Nexus 7 error: more than one device and emulator emulator offline. If "adb devices" lists your device but as "offline" chances are your path leads to and assuming the offline device is 'emulator', you can run the following. When I try to run this scrcpy cmd from eclipse, it says 'ERROR: "adb push" adb: error: failed to get feature set: more than one device/emulator. adb devices List of devices attached FA69J device 0af device Error 'emulator' is raised when connecting device. is refreshed, it finds two identical devices: One in state “device” and the second one in state “offline”.