The Samsung Galaxy Note 2 first shipped with Android 4.1 Jelly Bean and was later upgraded to Android 4.1.2. Ahead of the official release, the device received the latest Android 4.2.2 via custom software builds released by developers.
Samsung Galaxy Note 2
To install custom ROM, the device Should be rooted and have custom recovery installed. But rooting the device voids manufacturer’s warranty. However, users can reclaim the warranty back by unrooting the handset.
Here is an opportunity for Galaxy Note 2 users who have rooted devices to unroot Their The Same by Following our step-by-step guide and return to official stock firmware.
IBTimes UK que reminds its readers it will not be held Liable for any mishap. Also users are advised to VERIFY que Following Their devices meet requirements.
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Pre-requites
1) Install USB Driver for Samsung Galaxy Note 2 to transfer files between the Android device and computer.
2) Enable USB Debugging Mode on the phone to connect the Android device with the computer and use the Android SDK with it. [Press Menu >> Settings >> Applications. From there navigate and click on option and Development Ensure the USB Debugging Mode is turned on.]
3) As the tutorial might wipe out all data of the phone, create a backup. If the device is having any custom recoveries such as CWM / TWRP already installed then back up data using the recovery.
4) The Galaxy Note Should have above 80% battery charge.
5) The phone Should be factory unlocked and not locked to a particular carrier.
6) The Galaxy Note 2 Should be rooted. Click here for step-by-step guide to root Samsung Galaxy Note 2 .
7) The official Jelly Bean firmware works only on Samsung Galaxy Note N7100 2. Applying this to any incorrect variant might brick the device. Therefore, verification verify the model number of the Galaxy device by Selecting Settings >> >> About Phone Model number .
Steps to unroot Samsung Galaxy Note 2 to official stock firmware
Step-1: Download Appropriate (according to region) official firmware for Samsung Galaxy Note 2 to the computer
Official firmware download link
Step-2: Extract the downloaded zip file to get the. tar.md5 file along with few other files
Step-3: Download Odin3 v1.85 Which will help to install the official firmware. Extract the Odin zip
Step-4: Switch off the Galaxy Note 2 and wait for five to six seconds for vibration to confirm complete power off
Step-5: Now boot the phone into Download Mode by pressing and holding Volume Down , Home and Power buttons together until the device turns on. Now press the Volume Up button to proceed to enter Download Mode
Step-6: Now run Odin by double clicking on the Odin executable file
Step-7: Note Connect to the computer using the USB cable while it is in the Download Mode. Wait until Odin recognises the phone. Once the device is successfully connected an Added message will Appear under Odin. Also the successful connection will be Indicated by the ID: COM turning yellow with the COM port number
Note: Added If the message does not come, then try the USB port at the back of the computer. If Odin still fails to detect the device, then reinstall USB driver.
Step-8: S elect these files extracted from the zip folder stock firmware to install on the phone
a) Click the PDA button and select the file with . tar.md5 extension
b) Click the Phone button and select file with Modem in its name
c) Click the CSC button and select file with CSC in its name
d) Click the PIT button and select the . pit file
Note: Ignore the last three steps (b, c and d) in case such files are not found.
Step-9: C onfigure Odin settings. Ensure the Auto Reboot and F.Reset Time checkboxes are selected in Odin. But uncheck the Re-partition option, select it Only When the. Pit file is being used
Step-10: Once everything is set, click the Start button in Odin. Should the installation would begin now and take few minutes to complete
Step-11: Upon completion of the installation process, the phone will automatically restart and soon PASS message with green background will Appear in the box at the extreme left top of Odin Indicating successful installation. When the hone screen Appears on the phone, unplug the USB cable from the device to disconnect it from the computer
Samsung Galaxy Note 2 Should now be unrooted and back to stock official firmware. Head over to Settings >> About phone to VERIFY the software version running on the handset.
[Source: The Unlockr]
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