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Install DDU1BQK1 Android 7.1.1 Nougat Official Update On Galaxy C9 Pro

Samsung has started rolling out the official Android 7.1.1 Nougat for the Samsung Galaxy C9 Pro for Indian users. The long-awaited Android 7.1.1 Nougat official update is now available to install on Samsung Galaxy C9 Pro to get the experience of a new Android OS version on your device officially. This latest update comes with build number C900FDDU1BQK1 along with a security patch.

This latest update brings a number of neat features and customizations like including integration for Samsung Cloud, smoother than the previous build, shutter button zooming for the Camera client, a revamped Device Manager application, and much more. Also, included in Experience 8.5, consumer build of the firm’s user interface, and so on. Samsung rolled out this latest official update via OTA (Over-the-Air), so it means not all users can get the update at the same time. If you are more excited and want to early access this Android 7.1.1 Nougat update then still you can install this OTA update by using the Odin app.

By following this simple step by step guide, you can easily and quickly update your Galaxy C9 Pro to Android 7.1.1 Nougat official update. The Android 7.1.1 Nougat update comes with all the features of Android Nougat, improvements, bug fixes, and improves system stability. Before proceeding, don’t forget to take a full backup of all your valuable data. If you are interested in installing this Android 7.1.1 Nougat official update on your Samsung Galaxy C9 Pro in India then go ahead and follow the given steps.

Install DDU1BQK1 Android 7.1.1 Nougat Official Update On Galaxy C9 Pro 1


Model SM-C900F
Model name Galaxy C9 Pro
Country  India
Version Android 7.1.1
Changelist 12462918
Build date Tue, 31 Oct 2017 12:52:05 +0000
Security Patch Level 2017-08-01
Product code INS


This guide containing the Official Android 7.1.1 Nougat firmware and instructions can be used only with the Galaxy C9 Pro. Do not try to install this firmware on any other device or incorrect variant. Verify the model number of your device by navigating to Settings > About Phone, the model number of your device must be SM-C900F.


AndroidBlog will not be held responsible for any damage occurred to your Samsung Galaxy C9 Pro during or after the installation of Android 7.1.1 Nougat Proceed at your risk.


  • Make a proper backup of all the existing data and settings of your Galaxy C9 Pro, in case anything goes wrong then you’ll be able to restore your data back.
  • Verify that you’ve correctly installed the Galaxy C9 Pro USB Drivers on the PC.
  • Enable USB Debugging Mode on your Galaxy C9 Pro by navigating to Settings > Developer Options > check the USB Debugging option.
  • If you have a custom ROM installed on the phone, then after installing this stock update, it will be lost.
  • The stock version will replace the custom recovery.
  • If the Galaxy C9 Pro will no longer belong to a rooted version, once the stock firmware installed.
  • Check the battery level of your Galaxy C9 Pro, and it should be charged at least about 80% before proceeding to the installation guide.

Required Files:

How to: Flash C900FDDU1BQK1 Android 7.1.1 Update for Samsung Galaxy C9 Pro:

Step No 1: – First, download Android 7.1.1 Nougat official update and Odin v3.10.7 for Galaxy C9 Pro on the desktop of your PC.

Step No 2: – Now, extract the archived contents to get the tar.md5 update file. Don’t extract the tar.md5 firmware update file.

Step No 3: – Turn OFF your Galaxy C9 Pro to boot into Download Mode.

Step No 4: – Turn the device ON by pressing and holding the Volume Down + HomePower keys at the same time for a while till the construction Android robot and a triangle appear. Now press the Power button once again to confirm to enter into Download Mode.

Step No 5: – Launch Odin tool on your PC as an Administrator and plug your phone to your PC while your phone is in the Download Mode.

Step No 6: – One of the ID: COM boxes will turn yellow with the COM port number once the phone is connected successfully.

Step No 7: – Select the firmware files tar.md5 that you want to flash on your Galaxy C9 Pro. (Already extracted in Step No 1)

Click on ‘AP’ and select file with ‘AP’ in its name.

Click on ‘CP’ and select file with ‘MODEM’ in its name. Ignore this step if there is no such file.

Click on ‘CSC’ and select file with ‘CSC’ in its name. Ignore this step if there is no such file.

Click on ‘PIT’ and select the .pit file. Ignore this step if there is no such file.

Click on ‘BL’ and select file with ‘BL’ in it’s name. Ignore if there is no such file.

Step No 8: – In Odin, make sure that the Auto Reboot and F. Reset Time options are ticked, but the Re-Partition option should be unchecked.

9: – Click on the Start button in Odin to initiate the installation process. It will take a few minutes.

Step No 10: – Once the installation process is successfully finished, the Galaxy C9 Pro will restart. Unplug the phone after you see the home screen.

Done! You have successfully updated Samsung Galaxy C9 Pro to Android 7.1.1 Nougat official firmware update.

Bhatti Junaid

He continuously writes tech articles and development code. Also, appreciates excellent food, exceptional coffee and great company. He has written 266 guides and other posts.

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