Download and Install Official Marshmallow Firmware for Oppo R9

Android Marshmallow, also known as Android M, is the sixth iteration of the Android operating system, officially launched on May 28, 2015. It introduced several new features, including Doze mode for battery saving, Google Now on Tap, a new permissions architecture, native support for fingerprint recognition, USB Type-C connectors, and the ability to migrate data and apps to a microSD card, among other internal improvements.

Important Caution:

Before you proceed with the manual upgrade, ensure your phone is charged to at least 80% to prevent any power-related issues during the process. Additionally, back up your phone to safeguard your data. Please note that this guide is intended for updating the Stock ROM on the Oppo R9. Proceed at your own risk, as we are not responsible for any potential issues that may arise, including bricking your device.

Advantage Of Stock Firmware:

• Unbrick your phone
• To Fix the Bootloop problem
• You can upgrade and Downgrade your phone
• Unroot or Fix Bugs on your phone
• Fix the lag or stutter
• Solve the soft brick on your phone
• To revert back to stock to gain your warranty.

Note :

This is to update the Official Stock Android Marshmallow Firmware for Oppo R9

PRE-REQUISITE :

• This will work only on Oppo R9
• Your device must have 70% or more battery.
• Make sure to have 1.5GB free Storage space.
• You need a Laptop or PC to perform this Action
• You should be using Stock Firmware and not Custom ROM
• Back Up your Data to make sure you have data’s in case if something Wrong (This Process won’t loose your data)
• Make sure you have followed the steps properly. Don’t Skip and Read ! – We are not responsible for any damage that you make to your Phone.

DOWNLOAD FILES

Firmware Details	Download Links
X9009EX_11_OTA_001_all_201703281711_wipe.zip	Download

Steps For How To Install Official Marshmallow Firmware for Oppo R9 

1. Download the  Stock ROM for Oppo R9 from above download files.
2. Now move the downloaded file to root of your internal memory or SD Card (ie not in any sub-folders).
3. In your phone, Go to Files —> All files —> SD Card (if the file is in SD card) –> Select the Zip File and Click on “Update now”  button.
4. Once you click the UPDATE NOW, your device will reboot to install the Android Marshmallow Firmare for Oppo R9. Reboot will take sometime, So Please do not do other operations or power off your device during the process.
   
5. Now you device will rebooted and will start the installation process just like the screenshot seen above.
6. After the installation process completes, your device will reboot and remain on the OPPO logo for 3 to 5 minutes. Please do not power off the device as this is normal.
7. After a 3-4 Minute, your phone will boot into the normal Start up guide where you can set up the language, region and Wi-Fi.  Now make sure to check Settings –> Dual SIM and mobile network –> Preferred network type, and make sure you have selected 4G/3G/2G (Auto) as Preferred network type.
8. And by now, congratulations, you have successfully upgraded the software.

We can soon expect Android Nougat update for Oppo R9 from the past leak we found in the image.

I Hope you successfully installed Official Marshmallow Firmware for Oppo R9 by using our guide. In case if any queries or feedbacks, please leave comment below.