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How do I remove offline device from adb?
To fix:
- Disconnect the USB connection—or turn off the device’s Wi-Fi if you’re connected over Wi-Fi.
- Close Android Studio/Eclipse/other IDE.
- Run adb kill-server to ensure adb is not running.
- Restart your Android device.
- After your device restarts, connect it via USB and run adb devices .
What does adb devices offline mean?
If “adb devices” lists your device but as “offline” chances are your path leads to an old version of adb (eg 1.0. 29) which has problems with latest Android 4 devices. Starting with Android 4.2. 2, you must confirm on your device that it is being attached to a trusted computer. It will work with adb version 1.0.
What to do if your Android ADB is offline?
Disconnect the USB connection—or turn off the device’s Wi-Fi if you’re connected over Wi-Fi. Close Android Studio/Eclipse/other IDE. Run adb kill-server to ensure adb is not running. Restart your Android device. After your device restarts, connect it via USB and run adb devices. This should start the ADB daemon.
Is there a way to run ADB on Android?
Try running adb devices after running adb kill-server. Security question pops up after that. Worked for me. It also seems to occur frequently when you connect to the device using the Wi-Fi mode (in Android Studio or in the console by running adb tcpip 5555 for example).
What to do if your ADB device stops working?
If your device normally connects over USB, but suddenly stops working, especially after the USB cable has been disconnected and reconnected, try the following non-invasive steps before doing some of the more drastic things mentioned in the other answers: If your device is listed with ‘device’ next to it, you’re back in business.
Is there a way to use ADB over WiFi?
Unfortunately, ADB over Wi-Fi doesn’t show the security question in 4.2.2, so you need to find a USB cable that’ll work and connect over USB at least once to accept the security question, but after you do that once, you can connect over Wi-Fi.