The OnePlus 7/T/P OOS12 Open Beta 1 rollout has begun with the | OnePlus 7 | 7T Series: The Newsroom

The OnePlus 7/T/P OOS12 Open Beta 1 rollout has begun with the Indian region. Please be sure that your device is on 11.0.7.1. or 11.0.8.1. version before trying to upgrade:

For 7 series:
https://community.oneplus.com/wap/thread?id=1100281717593735176

For 7T series:
https://community.oneplus.com/wap/thread?id=1100290406715228167