The OxygenOS 5.0.1 For OnePlus 3 and 3T brings some important improvements. The full update weighs 1.47GB. This update brings the Android security patch up to December.
The update added support for aptX HD, it transmits high-quality audio. Another change is the Soft screen calibration.
The OnePlus 3T also got support for Airtel’s VoLTE in India. Also include Wi-Fi hotspot device manager and general bug fixes and stability improvements.