![]() ![]() ![]() When it does, you can continue with whatever it is you need to do. With all the above commands, the bootloader may take a few seconds to show up after you release the keys. You can detect any wake locks being held by applications on your device through adb: adb shell dumpsys power The following screenshot shows a single wake lock is on the device, it is a partial wake lock and has been given the tag ‘WakeLockExampleAppTag1’ by the application which created it: Wake lock acquired. If you don't see any devices, make sure your phone is connected, and USB Debugging is turned on, and then kill and restart adb. ![]() The output of adb devices, showing one connected device. The easier solution would be disabling the display timeout altogether 'while connected to USB' in the Developer options. adb devices You should see your device listed, similar to the example output below. You can check devices current power state (including display) via adb with dumpsys power command and send the power key press event only if the display is off. So head over to Settings > About Phone > Tap on Build Number 7 times > Go back to Settings > System > Advanced > Developer Options > Enable USB. Motorola Devices: Press and hold the volume down and power buttons for a few seconds. adb kill-server Restart adb and check for connected devices.The bootloader on HTC devices is referred to as “fastboot mode.” HTC Devices: Press and hold the volume down button, then power up the device while keeping the volume down key pressed.If this doesn’t work, you may have to release the power and volume down buttons for a second when the LG logo appears, then re-press them until the bootloader shows up. LG Devices: Press and hold the volume down and power buttons until the LG logo appears, then release them.Clicking on these links will start the download immediately. Download ADB & Fastboot for Darwin, Linux, and Windows. Press and hold home, power, and both volume buttons to exit download mode. Google has now made the ADB and Fastboot tools available for direct download so that you no longer have to download Android Studio just to get these two tools. Be warned, however, it’s basically useless without a computer. Android adb shell Send text, key pressed and touch events to Android Device via ADB Fastest Entity Framework Extensions Bulk Insert Bulk Delete Bulk Update Bulk Merge Example execute the following command to insert the text into a view with a focus (if it supports text input) 6. Samsung Devices: Samsung devices don’t have a traditional bootloader, but something the company calls “Download mode.” To access it, press and hold the volume down, power, and home buttons until the Samsung logo shows up, then release.When the Google splash screen appears, release them. Nexus and Developer Devices: Press and hold the volume down and power buttons at the same time. ![]()
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