According to the official update changelog, the Oxygen OS 10.0.7 firmware version brings the November 2019 Security Patch, camera improvements, improves launching speed of some apps, etc. It also offers optimized RAM management, improves black & white screen issues with some apps, system stability & general bug fixes. You can check out the full changelog. If you haven’t received the OTA update yet, then you can check it manually from phone Settings > System Updates > Check for update. However, if you want to manually install the firmware update, check out the full installation guide below.
Oxygen OS 10.0.7 update for OnePlus 7T – Changelog
System Improved the launching speed of some apps Optimized the RAM Management Optimized the black and white screen issues with some apps Improved system stability and general bug fixes Updated Android security patch to 2019.11 Camera Improved the photo quality
Note: It’s reported by some of the users that a similar update has already released with version number Oxygen OS 10.0.3 for the OnePlus 7T devices in some regions. However, the back gesture issue was present there. So, if you’re already running 10.0.3 version, you will soon receive the latest 10.0.7 update. Wait for the OTA update. Meanwhile, if the OTA update download file will be available, we will update it here. We hope this information was helpful to you. Keep visiting for the OOS 10.0.7 OTA download link. Source: OnePlus Forum