Users of Samsung Galaxy Note 2 GT-N7100 (international version) can now update to the latest official Android 4.1.2 Jelly Bean update that targets to fix the known Exynos exploit “memory bug”. Samsung has officially started rolling this update initially in France, for unbranded Galaxy Note 2 devices. This update freshly came in right after the succesful release of the Exynos Bug Fix of the Samsung Galaxy S3 in UK, a day ago.
All Exynos based devices like the Galaxy S2, Galaxy S3, Galaxy Note 1 and 2 and other models that has been reported proned to the possible access of sensitive data like passwords and even credit card information that are stored in the physical memory. If a user is not aware of this problem, some people might take advantage of it and could build an apps and distribute it on Play store. Once the evil apps installed, it will result to sabotage all secured data on users devices. So, this update truly brings a very important role to all Samsung Galaxy Note 2 users when it comes to strict security compliance purposes.
Update Build: N7100XXDLL7 Android 4.1.2 Jelly Bean
The latest firmware build number is N7100XXDLL7, an official update from the earlier Jelly Bean releases N7100XXDLL4 last December 2012. Again, this update officially release in France at this point, other countries might follow soon.
Device: Samsung Galaxy Note GT-N7100 (unbranded)
Build Number: JZO54K.N7100XXDLL7
Android version: 4.1.2 aka Jelly Bean
Build Date: Dec-26-2012
Released Date: Jan-04-2013
Changelist: 679347 (same as of N7100XXDLL4)
You can directly check the update thru your device Settings>About>Check for Update or just grab the latest Samsung Kies for Galaxy Note 2 and follow the step by step procedure on how to upgrade from Samsung support page.
How to Manually Install the N7100XXDLL7 Android 4.1.2 Latest Official Firmware on Samsung Galaxy Note 2
Thus who now runs with rooted or custom firmware and modifies recoveries can’t get this update officially from Kies or OTA, since the device is already modified, Kies or OTA updates will just fails your devices from updating.
This is the procedure on how to manually upgrade the Samsung Galaxy Note2 to officialAndroid 4.1.2 Jelly bean N7100XXDLL7. This firmware is compatible with all Samsung Galaxy Note 2 with model number GT-N7100 only (International version) and cannot be used on U.S and Canada Galaxy S3 variants like SGH-I317/M, SGH-T889/V and SPH-L900 and so on.
Warning: This method is for advance users only, typical users who did not touch or changes their devices MUST ONLYupdate thru Kies and OTA only. Some 3rd-party apps that you used before, may or may not work on this firmware, since this update has a new bootloader image included to it. The new bootloader is needed to fix the said Exynos exploit issues.
The CSC switcher seems not to work on this build for now, but here’s the CSC file included:
BTU (UK Unbranded)
CPW (UK Carphone Warehouse)
DBT (Germany Unbranded)
ITV (Italy Unbranded)
XEF (France Unbranded)
XEO (Poland Unbranded)
Disclaimer: Proceed and use this method solely at your own risk!
FAQ about flashing Samsung Galaxy Note 2 (GT-N7100) N7100XXDLL7 stock ROM:
Q: Did it increase the flash counter of the phone?
A: No, flashing original stock firmware will not trip your phone’s flash counter, it only increases when you install any custom ROM, unofficial or leaked firmware.
Q: My phone is already rooted, does it remove root?
A: Yes, once you flash official firmware it will return to its original factory default settings, you will lose root and you need to root again.
Before you proceed prepare the necessary things as follows:
– Create a sync and backup all your personal data, like: Contacts, Messages, Applications, Pictures and Videos, so that you will not lose it just in-case something might went wrong after the update.
– Make sure that the phone’s battery is fully charge to ensure stability and avoid power failure issues while updating.
-Close all softwares, such as KIES suite, Antivirus, firewalls, to prevent the possible conflicts.
-Prepare a personal computer or laptop with Windows XP, Vista, 7 or later OS, and you must deactivate the antivirus from your computer and you must have an administrator access, to be able to download and install the drivers.
Install N7100XXDLL7 Official 4.1.2 Jelly Bean Odin Flashing Procedure for Galaxy Note GT-N7100
1) Extract or unzip the downloaded N7100XXDLL7_N7100OXADLL4_XEF.zip firmware or stock ROM so that you’ll get the Odin flashable tar.
SS_DL.dll (this cannot be used but do not delete, it’s the Kies firmware extension driver file)
2) Run Odin Downloader v3.07 flasher program.
3) Load the binary file. Click on the PDA button then browse to the folder where you extracted the stock ROM.
4. Do Not check the Re-Partition checkbox. Mark check these checkboxes Auto Reboot and F-Reset Time.
5. Reboot the phone in download mode: To reboot the Galaxy Note 2 into download mode , you need to turn the power off. After it completely shut down, just press and hold theVolume Down key, Home button and the Power ON/OFF button simultaneously.
You should then prompted into a warning screen and asking you to press volume up if you want to continue or volume down to cancel, just simply press volume up to get into download mode. The download mode then displays an Android robot and say’s “Downloading.. Do not turn off target!!”
6. Connect the phone to PC when it’s in the Download Mode screen.
7. Hit the “START’ button.
10. Wait until a word “PASS’ appears.
11. Remove the phone from PC once completely reboots.
You may then confirm the newly installed Jelly Bean from your device:
About>Settings> Firmware info or type *#1234# and see if it’s already N7100XXDL7 4.1.2 Jelly Bean build.
Thanks and credits goes to victorator from XDA-Developer.