How to Relock the Bootloader on Any OnePlus device
Guide to Boot OnePlus 2 in Bootloader/Fastboot Mode
How to Unlock Bootloader via Fastboot on Android | Lineagedroid | LineageOS ROM Download
How to Unlock Bootloader on OnePlus 6/6T! | HighOnAndroid.com
How to get into fastboot and How to exit fastboot OnePlus 2? - HardReset.info
Relock bootloader OnePlus Nord 2 on any OxygenOS firmware: Easiest New Method! - YouTube
How to Unlock the Bootloader on Your OnePlus 6T « OnePlus :: Gadget Hacks
How to boot Oneplus 2 in fastboot mode - YouTube
How To Unlock Bootloader On Any OnePlus Smartphone
A Comprehensive Guide to Unlock the Bootloader on OnePlus Phones and Relock it
How to Boot Your OnePlus 5 or 5T into Recovery & Fastboot Mode « Android :: Gadget Hacks
Install LineageOS On OnePlus 6 | codetinkerer.com
The OnePlus6 allows booting arbitrary images with `fastboot boot image.img`, even when the bootloader is completely locked and in secure mode. : r/Android