How to flash Oxygen OS 3.5.2 community build for OnePlus 3

Step 1: Make sure you have all the ADB files installed in your computer and then proceed  downloading the Oxygen OS 3.5.2 zip file from the link below and then move the downloaded zip file to your desktop

http://downloads.oneplus.net/oneplus-3/oneplus_3_oxygenos_3.5.2_community_build/

Step 2: Reboot your phone into recovery by turning off your phone and then holding the volume down and power button together for about 5 seconds.

Step 3: Now you are on recovery screen.Select the language as "English" and then choose "Install from USB" and then select "OK"

Now you are in the recovery screen showing "You are in Sileload mode"  

Step 4: Now connect your device to PC.Open command prompt in your PC and then run the following command

                                 "adb sideload"

 and then drag and drop the zip file from desktop next to the command.

Press Enter key 

 Be patient until the phone is updated and then select "reboot"

Oneplus is bringing new OxygenOS 3.2.6 for the OnePlus 3.The update is incremental so please wait patiently until it reaches your device.It is also warned that rooted users will face installation issue.

The new update includes:

• Optimized voice call quality of some IM applications.
• Improved adaptive brightness performance
• Improved camera quality
  • Fixed occasional green/yellow issue
  • Optimized white balance
  • Improved 1080p video recording
• Addressed some bluetooth connection problems for vehicles
• Allows third party application to modify ringtone
• Optimized battery consumption when scrolling
• Optimized touch accuracy when playing games
• Added DozeMode switch in Developer options
• Added PocketMode switch in Display settings

If you can't wait until the update arrives to your phone,you can flash the zip file manually.

OOS  3.2.6 zip file :  https://drive.google.com/drive/folders/0B9NcF-m0L4C-Q0hoU2ZjOHN4X1k?usp=sharing

OnePlus 2 Android Nougat CM14 ROM

And yeah,now you can flash the new Android Nougat in your Oneplus 2.The new build is stable (all sensors working) with very few bugs and it can definitely be used as your daily driver.Battery is very good and many users have reported that they are getting over 5 hours of Screen ON Time.
You can get the new build from XDA or click on the below link to download the stable build.
Android N for Oneplus 2 by Hackworks

Oneplus 2 on Damination Substratum