Samsung Galaxy Note users who rooted the device (to access leaked versions of the Jelly Bean operating software; the official release is expected in 2013) may follow this guide to unroot and reclaim warranty. Stock files have been shared by XDA developer dr ketan.
IBTimes UK warns its readers it will not be held responsible for damage to the Galaxy Note during or as a result of this procedure. We also warn readers this guide is for the Galaxy Note (N7000) only; browse to Settings > About Device > Model Number to confirm compatibility.
- Ensure download and installation of appropriate USB drivers and enable USB debugging mode on the computer
- Ensure back-up for all important data
- Ensure device is factory unlocked
- Ensure battery has at least 80 percent charge
To Unroot Samsung Galaxy Note (N7000)
- Download Odin3 v1.85 and extract zip file
- Check the development page for a stock Ice Cream Sandwich (ICS) ROM (appropriate to your country), install firmware and extract the zip file
- Disconnect Galaxy Note from computer, if connected, and switch device off
- Re-start in Download mode (to do so, press and hold Volume Down, Home and Power buttons until screen turns on and then press Volume Up)
- Connect device to computer using USB cable
- Start Odin and wait till programme recognises connection with device (a successful connection is indicated by a message - Added)
- In Odin, click PDA and select ICS file (the .tar.md5 file extracted from downloaded zip file)
- In Odin, ensure Repartition option is unchecked (in Options)
- Click Start to begin installation
- After installation, a message - Pass - in a box with a green background will appear, indicating successful flashing
- Disconnect device from computer and the device should automatically reboot, after which the Galaxy Note (N7000) should be unrooted.
[Source: The Android Rom]