Recently OnePlus starts rolling out the OxygenOS 4.0.3 OTA Update for OnePlus 3T. Now released one more update OxygenOS 4.0.3 for OnePlus 3T is now available through OTA. The update is an leading update which rolls out in phase wise manner. Many users already getting Oxygen OS 4.0.3 for OnePlus 3T. Manually update Oneplus 3T to OxygenOS 4.0.3 Nougat or You can wait for the OTA updates.

The latest OxygenOS 4.0.3 OTA Update for OnePlus 3T added Wi-Fi IPv6 Support toggle, Optimized Smart Wi-Fi Switcher, if turned on, the device will switch to data connection if Wi-Fi signal is consistently poor, Increased stability of the Camera app and optimize many apps. You can flash on your device now you providing OxygenOS 4.0.3 OTA and full file. So if you need to update your OnePlus to the latest version then Download OxygenOS 4.0.3 OTA Update for OnePlus 3T.

OxygenOS 4.0.3 Features and Changelogs

Added Wi-Fi IPv6 Support toggle

• Optimized Smart Wi-Fi Switcher, if turned on, device will switch to data connection if Wi-Fi signal is consistently poor
• Fixed crashes for Line
• Increased stability of the Camera app
• Optimized exposure when taking night time photos
• Updated Audio Parameters and improved the quality of audio recordings
• Updated APN settings for select carriers
• Amazon Prime App will be pre-installed for India Users

Known Issues and Fixes

• Wi-Fi disconnections
• If you experience frequent WiFi disconnections, please go to Settings > Wi-Fi > Configure WiFi (Top right hand corner) > Scroll to bottom of the page and check the IP address format (IPv4 = Single line, IPv6 = Multiple lines)> If the IP address is IPv6 based, then turn off the IPv6 Support toggle and see if the disconnections stop.
• If you experience frequent WiFi disconnections due to switches between WiFi and data, please try turning off the Smart Wi-Fi Switcher at Settings > Wi-Fi > Configure WiFi and see if the disconnections stop

Note

• This method is only for the OnePlus 3T.
• It will format your data, but still, we advise you to take a complete backup of your phone and then proceed.
• Make sure that your phone has at least 50-60% charged to prevent the accidental shutdown in-between the process.

Download OxygenOS 4.0.3 OTA Update for OnePlus 3T

•     OxygenOS 4.0.2 to OxygenOS 4.0.3 OTA Update – Download
•     OxygenOS 4.0.3 Full ROM for OnePlus 3T – Download   

How to Update OnePlus 3T to OxygenOS 4.0.3

METHOD 1:

STEP 1:Download OxygenOS 4.0.3 OTA zip file from above and save it on your internal phone memory.

STEP 2:Go to Settings -> System Updates -> Settings Icon -> Local Upgrade and Select the OTA File.

STEP 3:After selecting OTA, the system would prompt ‘upgrade now’. Click on Upgrade now.

STEP 4:Now, wait until the process complete.

STEP 5:After flashing OTA update, your device will reboot automatically, and you will get the latest version.

METHOD 2

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

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

STEP 3:Download the OxygenOS 4.0.3 for OnePlus 3T from above Copy ROM to a folder where adb installed.

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

STEP 5:Choose Install from ADB Sideload

STEP 6:Now Connect your phone to Laptop/PC

STEP 7:On ROM folder press shift+right click and click on open command here.

STEP 8:Now check your connection by typing the below command

STEP 9:Flash the Oxygen OS 4.0.3 on OnePlus 3T by typing below command

STEP 11:Done!