OnePlus 2 OxygenOS 3.5.5 Marshmallow full OTA Rom download

OnePlus has now rolling out the new OxygenOS 3.5.5 for its OnePlus 2. While this is still an Android 6.0.1 Marshmallow update, it includes lots of improvements and highlights such as enabled VoLTE 4G voice feature, added App lock, new Battery Saving Mode. The update introduces also the latest December 2016 Android security patches from Google. Currently the full OTA ZIP package is captured, the file is 1.2GB in size, you can now download it form link below.

Firmware Information

  • Android Version: Android 6.0.1 Marshmallow
  • OxygenOS Version: OxygenOS 3.5.5
  • Android Security Patch Level: 01 December, 2016
  • Baseband Version: Pending
  • Kernel Version: Pending
  • Model Number: OnePlus 2
  • Support Network: LTE 4G
  • Build Number: OnePlus2Oxygen_14_026_all_1612220228
  • Build Date: Thursday December 22 2016
  • Country: Global
  • File Name:
  • Uploader: OnePlus

Update Notes

  • New OxygenOS version 3.5.5 with the latest December 2016 Google Android security patch level
  • Enabled VoLTE functionality for select carriers
  • New App Lock
  • New Battery Saving Mode, you can set it by going to Settings, Battery, More
  • New Gaming Mode, you can set it by going to Settings, Developer Options
  • New Additional Options for the Alert Slider
  • Redesigned the volume adjustment bar
  • Optimized Shelf
  • Updated interface
  • Updated UI for the Clock application
  • General bug fixes

Firmware Download

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