The incremental OTA update will reach on all OnePlus 3 and OnePlus 3T within a week or more. If you cannot wait for the OTA update, you can manually install the OxygenOS 4.1.5 OTA update if your device is runs on OxygenOS 4.1.3/4.1.4. If you are on older firmware version, you can download full ROM and flash manually. Before jump to the installation guide, let us what is new in OxygenOS 4.1.5.

Full changelog of OxygenOS 4.1.5 (Android 7.1.1) update: Note that, recently OnePlus rolled out OxygenOS 4.1.4 update for OnePlus 3/3T in some regions to fix language issues, so OnePlus skipped the OxygenOS 4.1.4 update in some region and starts rolling out the OxygenOS 4.1.5 update. Downloads: – OnePlus 3: For OxygenOS 4.1.3 to OxygenOS 4.1.5 [HERE] and for OxygenOS 4.1.4 to OxygenOS 4.1.5 [HERE] – OnePlus 3T: For OxygenOS 4.1.3 to OxygenOS 4.1.5 [HERE] and for OxygenOS 4.1.4 to OxygenOS 4.1.5 [HERE] – OxygenOS 4.1.5 full ROM for OnePlus 3 [HERE] – OxygenOS 4.1.5 full ROM for OnePlus 3T [HERE] Important Note: The links given above are taken from OnePlus forum here. We have not checked the integrity of files. Check it before flashing on your device or wait for the official roll out.

How to install OxygenOS OTA update and full ROM Manually

  1. First, check your ROM version and then download appropriate OTA update for your device.
  2. After downloading the OTA update, follow this guide to install it manually.
  3. To install full firmware, after downloading, follow this instruction Note: Before start installing the firmware, make sure that your device is fully charged (60-80% battery charge remaining). Also, back up important data before proceeding. (Source – OnePlus 1, 2)