Samsung Galaxy C9 Pro is a mid-range Android that offers features as good as any high-end mobile phone. The company is now rolling out official Android 7.1.1 Nougat for Indian Users. People have been looking forward to this update for quite some time now. After a long wait, they are able to enjoy the latest Android 7.1.1 on their Galaxy C9 Pro. The update comes with a build number C900FDDU1BQK1 and it also has a security patch. You can enjoy your DDU1BQK1 Android 7.1.1 Nougat on your phone.

Installing DDU1BQK1 Android 7.1.1 Nougat on Galaxy C9 Pro will let you enjoy a number of features. The entire process of installation is simple and effective, it won’t take much of your phone. In this article, we will provide you a complete guide on how to go about getting DDU1BQK1 Android 7.1.1 Nougat on your Samsung Galaxy C9 Pro.

You may also read: Update Huawei Honor 8 Pro DUK L09 Variant to Android 8.0 Oreo

Samsung Galaxy C9 Pro Details:

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


Warning: The first thing that you need to know is that once you root your phone you will lose it warranty. Also, there is a small amount of risk i.e. if something goes wrong you might end up with a brick phone and no warranty. So, if you want to proceed, we suggest you do at your own risk. Our blog is not to be held responsible in any way.


There are a number of things that you need to do before you get on with the installation process.

  • First and foremost, you have to download the latest USB Drivers for your C9 Pro on your computer. Make sure that they are properly installed as well.
  • Don’t forget to make a backup of your data. There is a high probability that you will lose everything during the installation process.
  • Ensure that the USB debugging mode on your smartphone is activated.
  • If you don’t want to run into boot loops during the installation process, we suggest you unlock the bootloader of the phone.
  • Before you proceed in the recovery mode, perform Dalvik Cache swipe.
You may also read: How to Download and install official XXS2BQIJ Android 7.0 Firmware on Samsung Galaxy A5 A520F

Required Files

The Complete Guide on How to Install DDU1BQK1 Android 7.1.1 Nougat Official Update on Samsung Galaxy C9 Pro:

Step 1: The first step is to download the official Nougat 7.1.1 Firmware file and Odin v3 10.7 on your computer. Extract these files to get tar.mad5 file. Remember not to extract the tar.mad5 file.

Step 2: Switch off your phone and boot into the Download Mode. You can do this by pressing and hold the Volume Down button along with the Power button. Keep pressing the button till you see the construction Android robot and a triangle appear. Now leave and instantly press the power button again to enter the Download Mode.

Step 4: Launch Odin on your PC and then connect your phone in the download mode to your system.

Step 5: When the phone is successfully connected, you will see that the ID: COM boxes turn yellow and there is also a COM PORT number present on the screen. This step is going to take some time, so please be patient.

Step 6: Select the firmware tar.mad5 to flash on your phone.

Step 7: You now need to select File AP in AP folder, MODEM file in CP folder, CSC file in CSC folder, PIT file in PIT folder. If you don’t find any of the files, ignore them and proceed on.

Step 8: If the Auto Reboot and F.Reset Time options is not already enabled, you need to check it now.

Step 9: To start the installation process, simply click on the stat Button in Odin.

Step 10: The phone will automatically boot in the recovery mode after the installation process is completed. Also, the ID: COM will turn green.

Step 11: Unplug your phone once you see your home screen.

That is all, you are done now. Enjoy the latest Android on your Samsung Galaxy C9 Pro.

You may also read: How to Install B399 Android 7.0 Nougat Official Firmware on Huawei Honor 8


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