Update: OnePlus has released OxygenOS 5.1.1 hot fix update for OnePlus 5 and 5T. The update fixes ringtone issue for phone and notifications. Some users are also reporting that the 5.1.1 update improved their battery power. After a month of beta testing, finally the OnePlus team released stable Android 8.1 Oreo update for OnePlus 5 and OnePlus 5T as OxygenOS 5.1.0. Besides Android 8.1 features, April 2018 security patch and full screen gesture for OnePlus 5T are the major features of OxygenOS 5.1 update.
OxygenOS 5.1.0 update starts getting on OnePlus 5 and 5T through OTA, which weighs around 766MB. It seems that devices run on OxygenOS Open Beta channel will get the stable Oreo 8.1 update first. Non-beta participants may need to wait a week or more to get the new update.
What is new in OxygenOS 5.1?
- Update OnePlus 5/5T to Android 8.1 Oreo
- Includes April 2018 Android security patch
- Full-screen gesture support (Only for 5T)
- Optimization for Gaming mode, which includes power saving and pausing adaptive brightness
- Network boost – network priority for gaming App in the foreground
- Category tags for app drawer search and auto name folders based on category
Since the OTA update roll out in phases, it will take a few days to get the OxygenOS 5.1 update on OnePlus 5 and 5T. To get the OTA update early, you can use a VPN app to download the OTA update. In VPN, change the location to Germany or Canada and check for OTA update.
If you prefer manual installation, OxygenOS 5.1.0 full firmware will be available at OnePlus download section. You can install the update manually as described here. (Source: 1, 2)