how to root Oneplus 3/3t, 5/5t, 6/6t and install any custom rom (android 10) Havoc OS 3.3 ,oxygen OS

Stable HAVOC OS V3.3 with android 10 and best battery life. Thanks to the developers. Download links: Steps to install OS(Follow as mentioned in link):Steps to install OS(Follow as mentioned in link): https://forum.xda-developers.com/onep... Havoc OS:https://sourceforge.net/projects/havo... Magisk Manager: https://forum.xda-developers.com/apps... TWRP Recovery: https://dl.twrp.me/oneplus3/ ADB Drivers https://forum.xda-developers.com/show... One Plus Drivers https://androidfilehost.com/?fid=2459... Oneplus 5 links: https://forum.xda-developers.com/onep... Havoc Os: https://forum.xda-developers.com/onep... Oneplus 5t links: https://forum.xda-developers.com/onep...