OnePlus has released a new OxygenOS 3.5.5 update for the OnePlus 2 smartphone that adds support for VoLTE (voice over LTE) to the device. The new update also brings December security patch from Google and other improvements. Other changes in the new build include the addition of app lock, battery saving mode, gaming mode and more. The new OxygenOS 3.5.5 update to the OnePlus 2 is based on Android Marshmallow.
Here’s the official changelog:
- Enabled VoLTE functionality for select carriers
- Added App Lock
- Added Battery Saving Mode ( Settings > Battery > More )
- Added Gaming Mode ( Settings > Developer Options )
- Added Additional Options for the Alert Slider.
- Redesign of the Volume Adjustment Bar
- Shelf Optimizations
- Updated OxygenOS UI
- Updated Interface and UI of the Clock app
- Updated Android Security Patch Level to 1/12/16
- Increased System Stability
- General Bug Fixes
OnePlus also makes a note that many of the phone settings will be restored to default after upgrading to 3.5.5, for instance device name, ring tones, accent colors and status bar battery indication will all be reverted to default settings.
As usual, the latest OTA update is rolling out gradually, so it may take some days to reach your device.