The Samsung Galaxy Note 2 LTE has recently received it’s official Jelly Bean treatment from Samsung. While the update is available both as OTA or via Kies, you can also follow our quick guide to Update your Samsung Galaxy Note 2 LTE N7105 with XXDMB3 Android 4.1.2 Jelly Bean official firmware. Now having your phones updated, the geek within might want to make out more of this and root the phone right away but Beware! using the previous set of root tools on the newly updated firmware might lead to a bricked device as the rooting binaries are extremely firmware specific.
Rooting your phone can lead you to loosing your phone’s warranty but on the contrary, it also offers a whole new dimension of possibilities to your device. Further, being a hot pick for the developers, you just won’t run dry of Custom ROMs or MODs ever.
- Back up all apps using ASTRO File Manager. You can get the APK files using ASTRO and later restore it. Rooted users can use Titanium Backup which also backs up data along with the apps.
- Back up all contacts to SD card.
- Backup SMS on Android.
- Backup call log on Android.
- Have minimum 60% charge on your phone else you might get stuck while the update process is running on your device.
- Remove any security or Anti-virus app if you have them installed.
- Enable USB Debugging. This can be don by Settings>Applications>Development and making sure that USB Debugging is checked.
- Make sure your phone is not locked to any network!
Note:Please make sure you have the correct set of drivers for your phone installed on your PC or Odin won’t recognise your phone.
Root Samsung Galaxy Note 2 LTE N7105 on XXDMB3 Official Android 4.1.2 Jelly Bean:
Download Odin and Root Tools package to your computer. Extract the contents of the firmware zip file to a fresh folder on your PC. Now turn off your device and boot it into download mode. For that, you need to press volume down button and power button together till you see the Warning screen and then press the volume up button to log into the download mode. Now open Odin and connect your device to the PC via USB Cable. Before your proceed, make sure the ID:Com section in Odin turns yellow. If id doesn’t, you need to check your device drivers. Now click on the PDA button in Odin and select the .tar file from the extracted contents of the firmware zip file. While in Odin, check ‘Auto Reboot’ and ‘F.Reset Time’ Options. Hit the Start button and wait till the software flashes the package file onto your phone’s file system.
If your phone booted up successfully, you’re definitely home! You can check for the root status by using the Root Checker app or check for a Superuser/SuperSU in your phone’s app drawer. Further, if you faced any interruptions in between you need to check for you device being bricked and follow this to get you through and then come back to this and follow the whole procedure again!
For further assistance you can leave your queries in the comments section or you can contact the author on Google Plus or you can head over to our Facebook page for some quick help either from us or the community members!