Recently the official OxygenOS4.0.2 software update was released by OnePlus for the OnePlus 3 device. This new update is not a major one but it will fix all recently reported issues such as bugs, lags, and some malfunctions and also improves the security of the stock Android OS for a more stable Android experience.
The OxygenOS 4.0.2 being already available for the OnePlus 3 handsets, you should receive the OTA update notification to install it anytime now. The OTA notification will be received by your OnePlus 3 smartphone if you are running the stock OxygenOS, and in this case, to update your device, you just have to follow the on-screen prompts.
Because the OTA update is usually released progressively, users will not receive the notification at the same time. In this post, you will find out how you can perform the manual installation for the new OxygenOS4.0.2 software for your OnePlus 3 device. It will enable you to flash the OTA build or the full firmware update package in case your smartphone is rooted or tweaked in any other way.
The procedures described below are official ones and the flashing of the OxygenOS 4.0.2 firmware manually is supported by your OEM and also by Google. Therefore, you will not lose your OnePlus 3 warranty by resuming the lines from this post and you won’t have to use difficult or risky tools during the Android update process.
However, you should backup the info, data, files and accounts from your OnePlus 3 before applying the update. It can be done by syncing your data with your Google account, you can back up all by using a cloud storage platform or you can just use backup and restore apps from the Google Play Store.
Before starting the manual update operation, follow the pre requisites from below:
- You need a computer where to download the required files.
- On the computer install the OnePlus 3 drivers.
- Download and install the Android SDK toolkit from here.
- On your OnePlus 3 unhide the Developer Options menu from Settings ->About phone, by tapping on the Built Number repeatedly. Once you unhidden the Developer Options menu, enable the USB Debugging field from Settings -> Developer Options.
- Charge your OnePlus 3 smartphone and make sure the battery power is more than 50%.
How to Install the OxygenOS 4.0.2 update on OnePlus 3
- Download the OxygenOS 4.0.2 OTA build from here.
- Download the full OxygenOS 4.0.2 ROM package from here.
Apply the OxygenOS 4.0.2 Update from SD card / internal storage
1. Save the update file on the computer and place it on the desktop.
2. Connect your OnePlus 3 device with the computer using the USB cable.
3. Transfer the downloaded file on the phone’s SD card(you can also choose to place the firmware package in the root folder of the phone’s internal storage memory).
4. When the transfer is over, disconnect the device from the computer.
5. Power off the OnePlus 3 smartphone and reboot it into recovery mode.
6. From Recovery, select Install and pick up the firmware file from the SD card (or choose Install from Internal storage and load the OxygenOS 4.0.2 software).
7. Swipe to begin and to complete the installation process.
8. When the installation is over, reboot your OnePlus 3 device.
How to Use ADB Sideload
1. Save the firmware update package in the same folder as the Android SDK.
2. Power on your device and connect it to the computer using the USB cable.
3. From a computer, access the Android SDK folder and open a command window by pressing and holding the Shift keyboard key and also right clicking on any blank space.
4. In the command window type: ‘ADB reboot recovery’ and recovery mode will be booted on the OnePlus 3 device.
5. Pick ‘ADB Sideload’, from recovery and then return to the computer.
6. In the command window type: ‘adbsideload filename’ (change‘filename’ with the name of the update package, including the extension).
7. Wait until the installation process is completed, then reboot your OnePlus 3 device.
