OxygenOS 4.0.3 OTA begins rolling out to OnePlus 3 & 3T

The OnePlus 3/3T are probably the most talked about Android phone of this time. With OnePlus nailing it on the price and hardware, it’s a no-brainer for all enthusiasts to opt for the OnePlus 3T. Along with the hardware, OnePlus is also improving their software, promising constant updates and delivering them. OxygenOS 4.0.3 has started rolling out for the OnePlus 3 and 3T. This is an incremental update to OxygenOS 4.0.2, which is based on Android Nougat 7.0.


  • Added Wi-Fi IPv6 Support toggle
  • Optimized Smart Wi-Fi Switcher, if turned on, device will switch to data connection if Wi-Fi signal is consistently poor
  • Fixed crashes for Line
  • Increased stability of the Camera app
  • Optimized exposure when taking night time photos
  • Updated Audio Parameters and improved the quality of audio recordings
  • Updated APN settings for select carriers
  • Amazon Prime App will be pre-installed for India Users


The update will first hit a small percentage of users and the rest of us will get it within the next few days. To force-check, go to Settings, About phone, Updates. We recommend that it’s downloaded over a stable WiFi connection.

If you still do not get the prompt to update, follow one of the methods below.

Method 1: VPN Method

Download a free VPN app of your choice (Ex: TunnelBear, OperaVPN) from the Play Store and choose the location Germany or Canada. Now head to Settings, About Phone, Updates. The update should now show up on your OnePlus 3/3T.

Method 2: Sideloading (Local Upgrade)

Download the OTA file from the links below. We recommend using a download manager and a stable internet connection.

  • OnePlus 3 – Incremental OTA Zip for OxygenOS 4.0.2 – 4.0.3 Official
  • OnePlus 3T – Incremental OTA Zip for OxygenOS 4.0.2 – 4.0.3 – Google Drive

Once downloaded, transfer the file to your OnePlus 3/3T. Head over to Settings -> System Updates and open the Updater app. Instead of searching for a new update, tap the cog icon in the top right corner and select the Local Upgrade option. At this point, the updater should automatically detect the file and prompt you to install it.

Have you installed OxygenOS 4.0.3? How was your experience? Let us know in the comments section.

Via: OnePlus Forums