The international LTE version of the second generation Galaxy Note with model number GT-N7105 was Launched with Android 4.1 Jelly Bean and is currently running on a slightly upgraded version of Jelly Bean software, Android 4.1 .2.
The Galaxy Note 2 runs on Android 4.1.2 Jelly Bean .
Note 2 Users who have rooted Their devices and solves Their warranty can now reclaim the warranty by unrooting the device. Below is our step-by-step guide to unroot the Galaxy Note 2 LTE. Besides, users can reset the binary or flash counter to zero by following the instructions.
IBTimes UK That reminds its readers it will not be held Liable for any mishap. Users are advised usefull to Verify That Their devices meet following requirements.
Pre-requites
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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 Development option then check the USB Debugging Mode.]
3) As the tutorial might wipe out all data of the phone, create a backup. If the device is having custom recoveries zoals CWM / TWRP already installed then backup data using the recovery.
4) The Galaxy Note shouldhave above 80% battery charge.
5) The phone shouldering be factory unlocked and not locked to a carrier Particular.
6) The Note 2 shouldering be rooted.
7) The device will lose root with the installation or official firmware.
8) The official stock firmware works only on Samsung Galaxy Note GT-N7105 2. Applying this on any incorrect variant might brick the device. Therefore, Verify the model number of the Galaxy device by selecting Settings >> About phone >> Model number .
Steps to unroot Samsung Galaxy Note GT-N7105 2 LTE to official stock firmware
Step 1: Download appropriateness According to official firmware region for Samsung Galaxy Note 2 to the computer
Download link: Stock firmware
Step-2:. Extract the downloaded firmware zip file to get a tar.md5 file with few other files
Step 3: Download Odin3 v1.85 whichwill help to install the official firmware. Extract the Odin zip to get Odin3 v1.85.exe and someother files
Step 4: Switch off the Galaxy Note 2 and wait for five to six seconds for vibration to confirm complete power off
Step 5: Boot the device 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 continuing to enter Download Mode
Step 6: Launch Odin3 v1.85.exe as an Administrator
Step 7: Connect the Note 2 to the computer using USB cable while it is in the Download Mode. Wait for some time until Odin recognises the phone. Once the device is connected successfully the ID: COM box in Odin will turn yellow with the COM port number. Also, the connection will be successful Indicated by a an Added message in Odin
Note: If the message does not Appear Added, 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: Select thesis files extracted from the zip 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 . zip file
Note: Ignore the last three steps (b, c and d) if Such files are not found
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Step 9: In Odin, verifydata That the Auto Reboot and F.Reset Time checkboxes are selected. But uncheck the Re-partition option, select it Only When a. Zip file is being used
Step 10: Finally click the Start button in Odin. The installation shouldering beginning now and would take few minutes to complete
Step 11: When the installation process is completed, the phone will automatically restart and soon a 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
[Source: The Unlockr]
How to fix boot loop issue?
If the Galaxy Note 2 gets stuck ay boot animation experience or boat landing (afterstep-11), then place the phone in recovery mode by pressing and holding Volume Up Home and Power buttons together. In the recovery mode, perform data wiping task by selecting Wipe data / factory reset then select Wipe Cache Partition . When the wiping process is done go back to the main recovery menu and reboot the device by selecting reboot system now .
How to reset binary counter?
1) Place the two discs into Download Mode, if the status says 0 or No then the device can be sent in for warranty
2) In case it shows 1, It Means the device was on a non stock kernel. Now root the device then install Triangle Away from Google Play Store. Then flash stock firmware on the handset again. The counter now shouldering be zero but the status might show modified. In Such situation, do factory wipe. The device then shouldering be back to stock firmware
Samsung Galaxy Note LTE 2 shouldering now be unrooted and running on official firmware with binary counter back to zero. Head over to Settings >> About phone to Verify the software version of the device.
[Source: XDA]
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