OxygenOS 4.1.5 update for OnePlus 3 and 3T adds new push notification system

As it happens, OnePlus pushed another major update for its high-end smartphones, the OnePlus 3 and 3T. OxygenOS 4.1.5 is based on Android 7.1.1 Nougat and adds a brand new push notification system for important information coming from OnePlus.
The network settings for select carriers have been updated, along with the OnePlus Community app. The “No Internet” Wi-Fi indication icon has been modified, and the May security patch has been included.
Among the many bug fixes added in the update, it's worth mentioning the storage issue with third-party file managers and the VoLTE problem on certain Jio SIM cards. Moreover, the connection issue on Android Auto has been addressed as well.
OxygenOS 4.1.5 update is pushed OTA in stages, which means it will reach a small number of OnePlus 3 and 3T owners on the first day, but it should be available to everyone in the coming days.
source: OnePlus
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