Manual InstallationIn case the firmware has not arrived yet in our territory or network provider, you may use the manual installation for your Galaxy Mega 6.3.Warning: We are not responsible for any errors that may occur on your device. Installation of the official firmware on your Galaxy Mega 6.3 may cause issues if done improperly. Consult your network carrier if your smartphone is currently locked to prevent issues due to incompatibility. Do this at your own risk.Requirements:1.***** Create a manual backup of all data files and personal settings on your Galaxy Mega 6.3 GT-I9200.2.***** Battery level should be at least 50 per cent to avoid possible power interruption during the flash.3.***** Download and install the necessary*USB drivers*on your computer for Galaxy Mega 6.3. You can the Samsung Kies PC Suite for this function.4.***** Enable*USB debugging mode*on your smartphone which can be found on the Settings Menu.5.***** Download the*Official Android 4.4.2 KitKat XXUDNE4*firmware and the*ODIN*flash tool on your computer.Flashing Instructions:1.***** Extract the Android 4.4.2 KitKat zip file on your computer.2.***** Launch the ODIN flash tool on your computer.3.***** Switch off your smartphone then reboot it into Download Mode. Press and hold the Volume Down, Home and Power keys at the same time.4.***** Connect your Galaxy Mega 6.3 to the computer using a USB cable.5.***** ID:COM in ODIN flash tool should glow blue or yellow, indicating that the device has been detected. If not, install the required USB drivers for your smartphone.6.***** In the ODIN flash tool, select the following files for installation:a.***** Click "PDA/AP" then select the file with "CODE" in its name.b.***** Click "Phone" then select the file with "MODEM" in its name. Ignore if no such file is found.c.****** Click "CSC" then select the file with "CSC" in its name. Ignore if no such file is found.d.***** Click "PIT" then select the ".pit" file. Ignore if no such file is found.7.***** Check the "AUTO REBOOT" and "F.RESET TIME" options but DO NOT check the "RE-PARTITION" option if there is no ".pit" file selected.8.***** Hit the START button on ODIN flash tool to begin installation. It may take three to five minutes to complete.9.***** Once the installation has been completed, your smartphone will restart automatically.10.* Disconnect the device from the computer after its reaches the home screen.Go to Settings > About Phone > Build Version to determine the current OS and firmware details.