OnePlus 5 comes with Oxygen OS 4.5.1 update before the launch. The company has done optimizations for Bluetooth, camera stability and more. Few days back they gave an update which fixes App installation issue and System update failure.
Today OnePlus has rolled out Oxygen OS 4.5.3 update which brings expanded screenshot, Google Translate, occasional WiFi drops and optimizations such as stability improvements for the system, camera and more. The size of the OTA is 54MB and it is available in India.