Trusted Reviews is supported by its audience. If you purchase through links on our site, we may earn a commission. Learn more.

The OnePlus 2 gets fresh Oxygen and VoLTE in 3.5.5 update

OnePlus has released an updated for 2015’s OnePlus 2 smartphone, bringing plenty of new features into play.

The upstart manufacturer has today rolled out OxygenOS 3.5.5, adding VoLTE and introducing an updated OxygenOS UI.

Related: OnePlus 3 vs OnePlus 2

Here are all the new features mentioned within the change-log:

  •         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


As NeoWin notes, the update does replace several stock Google apps (Clock, Calculator and Messages) with OnePlus’ own creations, but these can easily be reinstalled from the Play Store.

The update appears to have gone over particularly well with the user base, who seem particularly excited about the addition of voice over LTE functionality.

The update is rolling out over-the-air from today.

Watch The Refresh: The best tech gossip and reviews every week

Will you be upgrading to a OnePlus 3T? Share your thoughts below.

Why trust our journalism?

Founded in 2004, Trusted Reviews exists to give our readers thorough, unbiased and independent advice on what to buy.

Today, we have 9 million users a month around the world, and assess more than 1,000 products a year.

author icon

Editorial independence

Editorial independence means being able to give an unbiased verdict about a product or company, with the avoidance of conflicts of interest. To ensure this is possible, every member of the editorial staff follows a clear code of conduct.

author icon

Professional conduct

We also expect our journalists to follow clear ethical standards in their work. Our staff members must strive for honesty and accuracy in everything they do. We follow the IPSO Editors’ code of practice to underpin these standards.