Nov 03, 2017 · Download Universal Bootloader Unlocker all-in-one tool v4 for Android and all Samsung smart phones free 2018. This software tool is compatible with PC Windows XP, Vista, 7, 8, and Windows 10. You can perform different useful task by using Bootloader unlocker software tool. It is working individually to unlock your smart phone or relock your … Type the command ‘ fastboot reboot ’ to reboot the device normally. You can check the bootloader status by rebooting into into bootloader again (adb reboot bootloader) and type the command ‘ fastboot getvar unlocked ’ and you will get the string as unlocked:yes.