The Android 12-based OxygenOS 12.1 update will come with numerous improvements and many new features. The update for the OnePlus 7 Series will come with the build number H.28 while the update for the OnePlus 7T Series will have the build number F.16.
Changelog for stable Android 12 update for OnePlus 7 and OnePlus 7T Series
Optimized the icons with improved textures by making use of a design inspired by brand-new materials and uniting layers and light Added the Quick Launch feature that detects the apps you use frequently and pre-loads them such that you can open them quickly Added a new chart to display the battery usage The update has optimized the auto brightness algorithm for adapting screen brightness to more scenes for a more comfortable screen reading experience In the Dark Mode, there are newly supported three adjustable levels that bring a more personalized and comfortable user experience Optimized the display of the camera modes on the menu bar Optimized the experience to zoom in or out when shooting videos with the rear camera Newly added visuals for texting instructions for a more intuitive understanding of accessibility functions Optimized the categorization of functions by grouping them all into vision, hearing, interactive actions, and general Newly supported system apps in TalkBack, including Photos, Mail, Phone, and Calendar
Steps to install the stable Android 12 update for the OnePlus 7 and OnePlus 7T Series
Many OnePlus 7 and OnePlus 7T Series users in India have started receiving the stable Android 12 Update and it comes with a bunch of new and exciting features. As this update is being rolled out via OTA, the update will reach a handful of users and a much wider release is expected to happen in the coming days.
Any OnePlus 7 and OnePlus 7T Series user can manually check for the update manually by simply heading to the device’s Settings -> System -> System Updates. Source | Source 2