The Oxygen OS team continues to push out improvements to the older models - the OnePlus 6 got updated to v9.0.3 while the OnePlus 5 and 5T got up to v9.0.1. Here's what's new. The OnePlus 6 got an audio equalizer for Bluetooth headphones, following a similar update for the 6T. The stability of wireless connections (both Bluetooth and Wi-Fi) has been improved as well. The camera software was the other major focus of this update with optimized image processing and better performance of the Nightscape and slow-motion modes. OnePlus 6 phones on the Bouygues France network gained VoLTE. The...
Source: https://www.gsmarena.com/oneplus_6_gets_bt_equalizer_and_camera_improvements_oneplus_5_5t_updated_too-news-34883.php