After the update, the smartphone will boot to Android 5.0.1 with Flyme OS 4.5.1A. Meizu MX4 Pro launched with Android 4.4.4 with Flyme OS 4.0.
Reportedly, Meizu MX4 Pro has become significantly more responsive thanks to the new ART runtime in Android Lollipop. The update is also said to improve the accuracy of the devices home button, as well as partially address its heating issues.
If you are a Meizu MX4 Pro owner, head over to the devices settings to check if the new firmware is available.