The Android Debug Bridge (ADB) is a toolkit included in the Android SDK package that allows you to control your device over USB from a computer, copy files back and forth, install and uninstall apps, run shell commands, and more.
Reboot to Normal Mode
adb reboot
Show Devices
adb devices
Reboot to Fastboot Mode
adb reboot fastboot
Fastboot is a diagnostic protocol included with the SDK package used primarily to modify the flash filesystem via a USB connection from host computer. It requires that the device be started in a boot loader or Secondary Program Loader mode, in which only the most basic hardware initialization is performed.
Unlock Bootloader
fastboot oem unlock
Reboot Fastboot
fastboot reboot bootloader
Load Recovery
fastboot boot <file.img>
Install Recovery
fastboot flash recovery <file.img>
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If you are having trouble with fastboot not executing commands and constantly having fastbootb display: < waiting for device > with your OnePlus 3T device, please make sure you have the correct device driver installed. It should be seen as a Kedacom USB Device> Android Bootloader Interface.
