Root Galaxy Note 2 N7100 on UBDMA3 Android 4.1.2 Firmware

Galaxy Note 2 N7100 can be easily rooted on latest UBDMA3 Android 4.1.2 firmware. Once, device is rooted you get the advantage to install apps which require root access along with other Custom ROMs. You can go through the step by step tutorial to install UBDMA3 Android 4.1.2 Firmware on Galaxy Note 2 N7100.

Rooting voids warranty of device which can be regained only after installing official firmware.

The guide mentioned below is only for Galaxy Note 2 N7100 on official UBDMA3 Android 4.1.2 Jelly Bean firmware. For rooting we will be using CF-Auto-Root Package.

The guide mentioned below is only for Galaxy Note 2 N7100 and cannot be tried on any other device. To know the model number of your device go to Settings >> About Phone.

We cannot be held liable of any damage done to your device while following the below mentioned procedure.

Galaxy-Note-2Root Galaxy Note 2 N7100 on official UBDMA3 Android 4.1.2 firmware

Take a complete backup of data,apps and settings as the procedure may wipe your data.

Make sure that the battery of device has a minimum charge of 60%.

Enable “USB debugging” on your device by going to Settings >> Developer options >> Enable USB debugging.

Download Kies Software to install drivers.

Download CF-Auto-Root for Galaxy Note 2 GT-N7100 ( and Odin (

Extract the Firmware file which you have downloaded in above step. You will get “.tar” file along with other files.

Extract Odin to get “Odin3 v3.07.exe” file.
Switch off device.

Boot device into download mode. Press and hold Volume Down, Home, Power till device turns on and then press Volume Up to enter download mode.

Connect device to computer using USB cable. Odin will detect your device and ID:COM will turn yellow and a message appears saying “Added”. Re-install drivers if Odin fails to detect device.

Click on “PDA button” in Odin and navigate to select “.tar″ file which you have downloaded.

In Odin make sure that “Auto Reboot” and “F.Reset Time” are selected and “Re-Partition” check box is unchecked.

Click on Start button in Odin to start flashing Android 4.1.2 Jelly Bean firmware. When flashing is complete you will get a PASS message.

Disconnect device from your computer and let it boot automatically.

You have rooted Galaxy Note 2 N7100 on official UBDMA3 Android 4.1.2 firmware. You can check if your device is rooted by installing “Root Checker” from Google Play.

Leave a Reply

Your email address will not be published. Required fields are marked *