Today, Samsung also has releases the new version of Android 4.1.2 firmware for Singapore Galaxy Note 2 LTE . This firmware version is N7105XXDMB3 and only for Singapore Galaxy Note 2 LTE Model GT-N7105. You can update this firmware via OTA update or direct flash the firmware into the phone via odin application. Here is the firmware download link and the step by step tutorial on how to flash N7105XXDMB3 For Galaxy Note 2 LTE:
Disclaimer: Manually flash firmware into Android phones may void the phones warranty and has the risk that cause your phone brick. Do not unplug the USB connection from PC during the firmware flashing process. Tutorial below is only for your reference and do it on your own risk.
Step 1: Download Android 4.1.2 GT-N7105-MM1-N7105XXDMB3-1360043683.zip, then unzip the file. You will get GT-S6312-SER-S6312XXAMB2-1359973167..md5 .
Step 2: On your computer- desktop or laptop, Open Odin 3.04 (Download Odin).
Step 3: Go to settings > Developer Options to enable your phone debugging Mode. Then turn off your phone and then turn your phone in download mode by press (Home+power+ vol down) button.
Step 4: Connect phone to the computer and wait until you get a yellow sign in Odin.
Step 5: Add Android 4.1.2 GT-N7105-MM1-N7105XXDMB3-1360043683.md5 to PDA.
Step 6: Start flash, sit back and wait a few minutes. Don’t unplug the USB cable connection from computer during the flashing process.
Step 7: Galaxy Note 2 LTE will automatically reboot once installation complete.