A new OTA is available for the OnePlus 5 and OnePlus 5T. The software that can be already manually downloaded and flashed on your smartphone is based on Android 8.1 Oreo and will bring the default software to OxygenOS 5.1.0 build number. Now, this update should be received automatically on your handset as it is offered in form of a new OTA. However, if you are still waiting for your notification, don’t panic as we are going to check how to manually install the new OxygenOS 5.1.0 Oreo update on your own OnePlus 5 or OnePlus 5T.

The OxygenOS 5.1.0 system is fully stable as it is an official OS improvement released by OnePlus. As already outlined, the update is based on Android 8.1 Oreo, so it comes with the latest features, apps and capabilities available for your 5 / 5T. The firmware package also includes the April 2018 Security Patch meaning that it is coming with important bug fixes, stability improvements and security patches. Everything will be ensuring a smooth, light, fast and secured Android experience – these are the main reasons why you should choose to apply this new update on your phone, especially if you are not the kind of user who is ready to test a custom ROM firmware.

Now, the OTA, as any other similar update that’s offered ‘over the air’ is pushed out in phases and for limited markets only. As you can notice, that’s why the OxygenOS 5.1.0 update will be arriving sooner for some user and later for others. But, this annoying ‘OTA wait’ can be ended now, since the Oreo package can be downloaded from online sources. Thus, you can now choose to flash this software manually on your OnePlus 5 or OnePlus 5T.

This is going to be an official way in which the OxygenOS 5.1.0 can be applied on the OnePlus 5/5T. You will be using the official Android 8.1 Oreo package, the same one that’s released and rolled out by OnePlus. Thus, you won’t need to use complex flashing programs or third party apps in order to complete the steps available below. Moreover, the warranty of your phone won’t get lost and you won’t lose access to built-in apps. Therefore, from this perspective you have no reasons to be worried.

Anyway, as a precaution measure you should backup your phone first – during the update operation your data should remain safe and secured, but just to be 100% sure a backup might be indicated. Therefore, try to save everything that’s important for you, including essential data such as contacts, call logs, texts, images, videos, audio files, market apps, calendar info, IMEI / NVRAM data and so on. Usually, a backup can be applied in less than 5 minutes as you can use built-in cloud storage platforms, you can choose to sync files with your Google Account or you can even choose to use dedicated backup and restore apps from Google Play.

Now, for the steps explained below, you will need to use a computer. There you will download the OxygenOS 5.1.0 update package that’s available for your OnePlus 5 and OnePlus 5T. On your phone you must enable USB Debugging option – this is found under Menu - > Settings - > Developer Options. Hint: for being able to access Developer Options, first go to About Phone and start tapping repeatedly on Built Number until the ‘you are a developer’ message is returned.

You should charge your OnePlus 5/5T before updating to Android 8.1 Oreo. If a charging isn’t performed your phone might remain without power right in the middle of the update operation. And if a sudden shut down occurs, different malfunctions can cause issues within the Android core system, so you can end up in soft bricking your Android device. Shortly, as a general rule, you must charge your handset if its power is currently lower than 50%.

Download and Install OxygenOS 5.1.0 on OnePlus 5/5T (Android 8.1 Oreo Official Firmware)

  1. First of all, download the OxygenOS 5.1.0 firmware package compatible with your own device: for the OnePlus 5 go here, and for the OnePlus 5T access this page.
  2. First, save the Android 8.1 Oreo update on your computer, preferable on desktop.
  3. Then, power on your smartphone and connect it with your computer with the help of the USB cable.
  4. Select the update file from desktop and copy-paste it on your smartphone.
  5. Note: make sure you place the zip file in the root of your internal storage so that your zip file can be visible to the OnePlus updater app.
  6. When that’d done, remove the USB cable because the computer is no longer required.
  7. Reboot your smartphone at this moment.
  8. Then, tap on Menu and go to Settings.
  9. Switch to System Updates.
  10. From there, tap on Local Upgrade and just pick up the OTA zip file which was just transferred on your phone.
  11. From that point follow on-screen prompts in order to complete the flashing process.
  12. Wait while everything is set up and also wait while several reboots are automatically initiated.
  13. The last reboot will take longer than you are used to, but in the end you will be able to use the new Android firmware.

That’s all for now. The new Android 8.1 Oreo based OxygenOS 5.1.0 update was successfully installed on your OnePlus 5 or OnePlus 5T. All that you have to do now is to try the new firmware that’s also coming with the April 2018 Security Patch. You can share your update experience and the latest observations related with the new software with us and with our users by using the comments field from below. If you had problems while completing the steps from above we will try to assist you as soon as possible.

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