For your information, the recently launched OnePlus 5T comes with 6 -inch Optic AMOLED 18:9 display, Snapdragon 835 processor with 6/8GB, dual camera (16MP + 20MP), 3300mAh battery with Dash Charge and more. The device will get Android 8.0 Oreo Open Beta in December 2017 and the stable Oreo OTA update probably will release in early 2018.

While OnePlus has released Android 8.0 Oreo (OxygenOS 5.0) for OnePlus 3/3T (details, download and installation guide)  and for OnePlus 5/5T the Oreo update is imminent. What is new in OxygenOS 4.7.2 update for OnePlus 5T? OxygenOS 4.7.2 OTA (over-the-air) update starts rolling out for OnePlus 5T and as it is rolled out in phases it will take a few days to get across the devices. If you have not received the update notification yet, check it by going to Settings > System Updates > Check for OTA updates.

How to install OxygenOS 4.7.2 Full ROM on OnePlus 5

  1. Download OxygenOS 4.7.2 full ROM from here.
  2. Follow this guide to know how to flash OxygenOS full ROM on OnePlus 5T. (Source)