Less than a week after it went official, the OnePlus 5 has started getting its first update. Arriving as OxygenOS 4.5.2, the new firmware brings a few bug fixes and optimizations. Issues related to app installation and system update have been fixed. As for optimizations, those changes are related to Bluetooth, network, and system stability, as well as camera and third-party app compatibility. Given that it's an OTA roll out, it might take time for the update notification to pop-up on your device's screen. Meanwhile, you can manually check for the update by heading to your...
Source: http://www.gsmarena.com/oneplus_5_gets_its_first_update_includes_bug_fixes_and_optimizations-news-25820.php