OnePlus have begun a release of their 4th version of Android 7.0, Nougat, OxygenOS 4.0.3. This is an incremental, gradual, rollout to OnePlus 3 & 3T devices. Here are the highlights of this version...
"Added Wi-Fi IPv6 Support toggle
Optimized Smart Wi-Fi Switcher, if turned on, device will switch to data connection if Wi-Fi signal is consistently poor
Fixed crashes for Line
Increased stability of the Camera app
Optimized exposure when taking night time photos
Updated Audio Parameters and improved the quality of audio recordings
Updated APN settings for select carriers
Amazon Prime App will be pre-installed for India Users"
"***Known Issues and Fixes
Wi-Fi disconnections
If you experience frequent WiFi disconnections, please go to Settings > Wi-Fi > Configure WiFi (Top right hand corner) > Scroll to bottom of the page and check the IP address format (IPv4 = Single line, IPv6 = Multiple lines)> If the IP address is IPv6 based, then turn off the IPv6 Support toggle and see if the disconnections stop.
If you experience frequent WiFi disconnections due to switches between WiFi and data, please try turning off the Smart Wi-Fi Switcher at Settings > Wi-Fi > Configure WiFi and see if the disconnections stop"
For more information see...
OxygenOS 4.0.3 (N) OTA for OnePlus 3
OxygenOS 4.0.3 (N) OTA for OnePlus 3T
If you cannot wait for this update to be rolled out to you...
How to Get the Official Android 7.0 Nougat Update on Your OnePlus 3/3T Right Away
"Added Wi-Fi IPv6 Support toggle
Optimized Smart Wi-Fi Switcher, if turned on, device will switch to data connection if Wi-Fi signal is consistently poor
Fixed crashes for Line
Increased stability of the Camera app
Optimized exposure when taking night time photos
Updated Audio Parameters and improved the quality of audio recordings
Updated APN settings for select carriers
Amazon Prime App will be pre-installed for India Users"
"***Known Issues and Fixes
Wi-Fi disconnections
If you experience frequent WiFi disconnections, please go to Settings > Wi-Fi > Configure WiFi (Top right hand corner) > Scroll to bottom of the page and check the IP address format (IPv4 = Single line, IPv6 = Multiple lines)> If the IP address is IPv6 based, then turn off the IPv6 Support toggle and see if the disconnections stop.
If you experience frequent WiFi disconnections due to switches between WiFi and data, please try turning off the Smart Wi-Fi Switcher at Settings > Wi-Fi > Configure WiFi and see if the disconnections stop"
For more information see...
OxygenOS 4.0.3 (N) OTA for OnePlus 3
OxygenOS 4.0.3 (N) OTA for OnePlus 3T
If you cannot wait for this update to be rolled out to you...
How to Get the Official Android 7.0 Nougat Update on Your OnePlus 3/3T Right Away