Download OnePlus 3 OxygenOS Open Beta 21 Nougat Firmware

Hi, finally OnePlus launched OxygenOS Open Beta 21 stock Rom for OnePlus 3. This is a OnePlus 3 Open Beta 21 based Android 7.1.1 Nougat and here is an easy and safe tutorial for install OnePlus 3 OxygenOS Open Beta 21 Nougat Stock Rom.

OnePlus 3 has Brilliant 5.5 inch Optic AMOLED screen with 1080 x 1920 pixels resolution. This phone comes with superb build quality and innovative design. OnePlus 3 has two outstanding features Qualcomm Snapdragon 820 and Corning Gorilla Glass 4, it’s make this phone very smoother and faster. Recently OnePlus has rolled out Stable OxygenOS 4.1.6 for OnePlus 3.

Details of OnePlus 3 OxygenOS Open Beta 21 Stock Rom:

This is a OnePlus 3 OxygenOS Open Beta 21 Nougat Stock Rom and it is base on Android 7.1.1 Nougat Rom. Here is the OxygenOS Open Beta 21 Rom details:

New addition:

  1. Parallel apps:- All new parallel apps feature that lets you run a parallel version of the same app using a separate account. Right now this supports Facebook, Twitter, Whatsapp, and Instagram (and a few more popular apps)

Updates:
Updated to Launcher V2.1.5:

  1. Optimized home screen folder icon, with a preview look of first 4 icons in the folder
  2. Redesigned UI for folders, allowing switch between folders by swiping left or right
  3. Added double finger slide support, you can now slide the home screen with one finger while using another to hold an item

Updated to Gallery V1.8:

  1. Supports light theme
  2. Supports opening RAW format images

Updated File Manager to V1.7.1:

  1. Long pressing search items now shows edit operations

Optimizations::

  1. Call histories from the same person will now be merged

Bug Fixes:

  1. Fixed increased battery consumption after connecting to a bluetooth device

Must Read: How to Quick Charge Your Android Phone Battery Faster in Short Period

Download Rom and tools of OnePlus 3:

File NameDownload link
OnePlus 3 OxygenOS Open Beta 21 Full Rom Download
OnePlus 3 USB DriverDownload
OnePlus 3 Fast-boot toolDownload
Other OnePlus 3 RomsDownload link
OnePlus 3 OxygenOS 4.1.6 Nougat RomDownload 
OnePlus 3 OxygenOS Open Beta 19 Nougat RomDownload 

Preparation of install OnePlus 3 OxygenOS Open Beta 21 Nougat Stock Rom:

1. Take a Full backup of your Oneplus 3 Click here.
2. Your phone battery should charge 80% minimum.
3. Read all steps then do it careful.

How to Install OxygenOS Open Beta 21 OnePlus 3 Stock Rom:

Method:1

Step 1: Download OnePlus 3 OxygenOS Open Beta 21 OTA zip files. Connect your phone to PC and copy the downloaded.zip file into your Phone Internal Storage. Do not copy downloaded.zip into any folder or SD card!!

Step 2: Now shut down your device and long press volume down and power button to recovery mode. See in this image.

recovery mode

Step 3: Your phone is going to recovery mode. Now select language and click on install from local. find downloaded OnePlus 3 OxygenOS Open Beta 21 zip file and click on. installing process is start. Don’t interrupt this process, it might to take 4-6 minutes. your phone is reboot automatically.

OnePlus X Marshmallow Stock Rom

Must Read: Stay safe and secure by creating a secure password

Method:2

Step 1: Download OxygenOS Open Beta 21 Full ROM Zip file and ADB and Fastboot Tool files. After then copy OxygenOS Open Beta 21 Rom zip file into ADB and Fastboot Tool folder. After then press and hold shift key in the keyboard and right click in the extracted Fast boot tool folder and select “Open command window here”. See in this image.

Run fastboot command window for OnePlus 3

Step 2: Now shut down your device and long press volume down and power button to recovery mode. See in this image.

recovery mode

Step 3: Your phone is going to recovery mode. Now select language and click on install from USB. You will see Upgrade Android from USB then select OK. Now you can see “You are in Sideload Mode“.

OnePlus 3 OxygenOS Open Beta 21 Stock rom installing process

Step 4:  Now connect your OnePlus 3 Smartphone with PC via USB cable and type adb sideload File Name.zip in the command window then press enter key. Don’t interrupt this process, it might to take 4-6 minutes. your phone will reboot automatically.

Tips for OnePlus 3

After Install OnePlus 3 OxygenOS Open Beta 21 Stock Rom, you can root your phone because root allows you to use a maximum of your phone without any restrictions. After root you will install custom apps, Rom and custom setting in your phone. But first read Root Advantage and Disadvantage by this article then follow this guide to root OnePlus 3.

Must Read: Install Magisk on Android Smartphone (Magisk Manager)

I hope you like this install OnePlus 3 OxygenOS Open Beta 21 Nougat Stock Rom installation guide from which you will be able to easily Install OnePlus 3 OxygenOS Open Beta 21 Nougat Stock Rom without any extra efforts. If feel any problem in this guide then please use comment box. Thanks to all.

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