https://www.androidsage.com/2020/04/03/oneplus-7t-and-7t-pro-gets-latest-oxygen-os-10-3-2-in-india-and-oos-10-0-9/
Download OnePlus 7T and 7T Pro Oxygen OS 10.3.2 in India and OOS 10.0.9 for EU or Global variants