OnePlus starts progressing out the OxygenOS Open Beta 12 for OnePlus 3. Recently the company released the Nougat update for OnePlus 3 which was fairly stable and now they release OxygenOS Open Beta 12 for OnePlus 3. OxygenOS Open Beta 10 upgrade the device to latest Android 7.1.1. The update is an “OxygenOS Open Beta 12” and if you are on previous Open Beta build, you will receive the OTA else you have to flash it manually through ADB Sideload. After flashing OxygenOS Open Beta 12 on OnePlus 3, you will continue getting the OTA. Download OxygenOS Open Beta 12 for OnePlus 3 from below and flash it manually.

Recently, OnePlus released the stable OxygenOS 4.0.3 for OnePlus 3, but if you need early access to new features, then you must try Android 7.1.1 based OxygenOS Open Beta 12 for OnePlus 3. OxygenOS Open Beta 12 update added New Shot on OnePlus wallpaper option, comes with gallery developments and fixes general bugs. If you want to update your OnePlus to the latest version then Download OxygenOS Open Beta 12 for OnePlus 3 from below. Check below what’s new in OxygenOS Open Beta 12.

Features of OxygenOS Open Beta 3:

• Upgraded to Android 7.1.1
• New Shot on OnePlus wallpaper option
• Gallery Improvements
  • New photo editor with watermark and photo straightening options
  • Newly added media will be highlighted in Photos section
  • Image location will be displayed on grid view
  • Media can be grouped by month and year
  • Folders and individual media can be hidden
• General bug fixes

Note:-

• This method is only for the OnePlus 3.
• Follow these steps carefully otherwise you may crash your device. We are not liable for any harm of your device.
• It will wipe all your personal data including data of internal storage, so we recommend you first to take a full backup of your phone and then proceed.
• Make sure that your device has at least 50-60% charged to avoid the unexcepted shutdown in-between the process.

Download OxygenOS Open Beta 12 for OnePlus 3T

•  Android 7.1.1 for OnePlus 3 OxygenOS Open Beta 12

How to Install OxygenOS Open Beta 12 ROM on OnePlus 3T:

1) Enable ‘USB debugging’ option from setting>developer option>. To enable Developer Options, go to About phone and tap the Build Number 7 times.

2) Download ADB and fastboot driver for windows orADB and Fastboot for Mac and install it on your PC.

3) Download the OxygenOS Open Beta 12 OTA zip file for OnePlus 3T from above Copy ROM to a folder where adb installed.

4) Now Turn Off your phone and boot into recovery mode.

5) Choose Install from USB

6) Now Connect your phone to Laptop/PC

7) On ADB folder press shift+right click and click on open command here.

8) Now check your connection by typing the below command

adb devices

 if your device is listed, you’re ready to flash the ROM

9) Flash the OxygenOS Open Beta 12 on OnePlus 3T  by typing below command

adb sideload File Name.zip

10) Now wait until the process completes and then Reboot the phone.

11) Done!

So, Download Open Beta 12 for OnePlus 3 T to manually Update OnePlus 3T to Android 7.1.1.