Previously, we have shared an article to Download OxygenOS 3.2.4 for OnePlus 3 (OTA & Full ROM).If you want a stable build firmware then you can flash the OxygenOs 3.2.4, but if you want to try out the latest OxygenOs then you can try flashing the OxygenOs 3.5 Community build ROM for OnePlus 3. Remember, this is a community build not the final release, so there may be few bugs but in future updates, everything will be fixed. The OxygenOS 3.5 is based on Android 6.0.1 Marshmallow.As i mentioned before it is a big update weighing around  1.3GB.The Update is now available via OTA (Over-the-air).You can manually check for the update.We highly recommend upgrading your device to this firmware. The good news is that we got  Full firmware files of OnePlus 3 Oxygen OS 3.5 Firmware.You can manually install the Firmware / ROM On your OnePlus 3.Here we are going to share step by step guide to Flash / Install OnePlus 3 OxygenOS 3.5 Firmware OTA UpdateWithout Losing any data

WARNING:

You only are responsible for your device. We at rootmygalaxy.net won’t be liable if any damage occurs to your device and/or its components.

PRE-REQUIREMENTS:

First Setup ADB & Fastboot on your windows or mac.Guide for Windows  Quickest Way To Install Android ADB and Fastboot (with drivers) on Windows / Guide For Mac  How to Install ADB and Fastboot on Mac or Linux This guide is only for OnePlus 3, so don’t try on other OnePlus devices. You are not going to lose any data still take a proper backup of your apps and data. More than 60% battery is required

BACKUP GUIDE:

For nonrooted users > How to Backup Important Data On Android (Non-rooted users) For rooted users having TWRP recovery > How To Create & Restore Nandroid Backup On Android Devices

DOWNLOAD OXYGENOS 3.2.4 FOR ONEPLUS 3

OxygenOS  3.5 Community Build Full ROM for OnePlus 3 (1.3GB)  Download Here

HOW TO FLASH / INSTALL ONEPLUS 3 OXYGENOS 3.5 FIRMWARE Community Build

First, read the Pre-requirement section carefully then follow the given steps.

Now follow this guide to Flash / Install OnePlus 3 OxygenOS 3.5 Community Build Firmware Update  Download and Install OnePlus 3 Oxygen OS 3.1.3 Firmware Update

(All the steps are same just use this firmware instead of that one) If you have any question related to this post, feel free to leave that in the comment section 🙂 Via OnePlus

Download   Install OnePlus 3 OxygenOS 3 5 Community Build Firmware - 83