HTC is rolling out Android 5.1 to the One M9 Developer Edition. The OTA update measures around 795MB in size and leaps to version 2.6.651.11, reports AndroidCentral.
The update brings a number of big improvements to the device, such as Battery Life Improvements, Call Drop Improvements, and many more. Full Changelog is posted below:
- Android Lollipop 5.1
- Data Performance Improvements
- Call Drop Improvements
- Battery Life Enhancements
- Temperature Management Optimization
- Camera Enhancements
You should get the Software Update screen, pointing to Android 5.1, on your HTC One M9 Developer Edition. If not, then navigate to Software Update pane from Settings and check for update. Happy Updating!