Hi, This is a guide to unlock bootloader OnePlus 3T. It is an easy and safe guide to unlock bootloader 3T. If you want to root your phone or use custom recovery like CWM and TWRP recovery on your OnePlus 3T, then you must be unlock your OnePlus 3T bootloader.
Preparation of unlock bootloader
1. In this process wipe your data, so take a backup of your phone.
2. Your phone battery should charged 50%-80% minimum.
3. Make sure proper power backup of your PC.
Follow the easy steps to unlock bootloader OnePlus 3T:
Step 1: Download and install OnePlus 3T ADB USB driver on your PC and enable USB debugging mode on your OnePlus 3T Smartphone by this guide . Now download and extract Fast-boot tool then press and hold shift key in the keyboard and right click on extracted Fast boot tool folder and select “Open command window here”. See in this image.
Step 2: Now connect your OnePlus 3T Smartphone with PC via USB cable. And type adb reboot bootloader to boot your phone in the bootloader or fastboot mode. Now your phone in the bootloader or fastboot mode, here you type fastboot devices in the command window then press enter key.
Note: This command show connected device in the command window and you can see your Smartphone serial number. If command window is not show your device serial number. Then install USB driver correctly or change your USB port of the PC.
Step 3: If your OnePlus 3T connected, then type fastboot oem unlock command in the command window and press enter key to unlocked your bootloader. Now you will see a popup message in the your OnePlus 3T screen and select Yes by Volume button then press power button to enter.
I hope you like this unlock bootloader guide from which you will be able to easily unlock bootloader OnePlus 3T without any extra efforts. If feel any problem in this guide then please use comment box. Thanks to all.