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Flash Android 4.4.2 StageFright Security Update for Sprint Galaxy Mega 6.3

The Android 4.4.2 firmware update build with StageFright security bug patched is now live for all the Samsung Galaxy Mega 6.3 devices on Sprint. Check the info below and learn how to successfully update your device manually.

The StageFright bug is an exploit that an attacker can use in order to access your phone’s contents without your permission. Make sure to install this new KitKat build on your device in order to stay against such attacks.

Before starting the updating process you should read the preparation info below:

  • use this post only with the Samsung Galaxy Mega 6.3.
    – check the model number of your device under Settings> About Device.
    – make sure that the version is set at SPH – L600.
    – do not try to update any other devices with the files that you will find in this post.
  • download and install the Samsung USB Drivers on your computer.
    – download the file from here.
    – install the drivers on your computer, so that the ODIN app will detect the device when you reach the tutorial steps.
  • for the updating process you will have to use the Odin app, which means that KIES and any antivirus app that you might have installed on your device will have to be disabled.
    – these apps are going to try and block Odin from running on your phone.
    – after the firmware update is done you ca re-enable these applications.
  • make sure to enable USB Debugging on your device from Developer Options.
    – go to Settings> About Phone and tap 7 times on Build Number to enable Developer Options first.
    – return to Settings, scroll down and open Developer Options, find USB Debugging and enable it.
    – the USB Debugging allows your Galaxy Mega 6.3 to be detected by your computer and then you can start the update.
  • if your device is rooted, then the update process will revoke any root access.
    – any custom Recovery will be replaced with a stock Recovery, too.
  • you can flash the new update over a custom ROM, but you should know that an extra ‘factory reset’ step is needed in order to force your phone to boot with the new ROM.
    – the ‘factory reset’ process wipes clean the system partition, but it won’t delete any files from the internal storage of your device.
    – ‘factory reset’ removes the old ROM and it allows the new official firmware to boot in normal mode.
    – ‘factory reset’ steps are listed at the end of this post.
  • if your device runs on 100% stock Android, then the updating process won’t remove any files from it and you can complete the whole installation without problems.
  • this guide is for advanced users.
    – we cannot be blamed in case you brick the phone nor in case you lose any data in the process.
    – make sure to backup important files before starting the update.
  • read the whole post and do not skip any steps.
  • check the battery charge level and make sure that it is over 50%, it prevents the phone from powering down during the installation process.

Now that you know all of the above you can continue to the next part of this post in order to learn how to successfully update your device.

How to flash Android 4.4.2 KitKat StageFright Security Update for Galaxy Mega 6.3 Sprint:

  1. Download the firmware archived file from here.
  2. Extract the contents and save them on your computer.
    – you should obtain the L600VPUBOH1 tar.md5 file.
    – that’s the firmware file that you will need to install.
  3. Download Odin 3.09 from here.
    – extract the contents.
  4. Switch off your device.
  5. Boot it in Download Mode.
  6. Open the Odin exe on your computer.
  7. Use the usb cable to connect the device to PC.
    – wait for Odin to detect the Galaxy Mega 6.3.
    – if the device is not added by Odin, then you will have to reinstall the Samsung usb drivers.
  8. Return to Odin to disable the ‘RE-Partition’ option.
    – if this was already disabled, then you can go straight to the next step.
    – don’t edit other default Odin settings.
  9. In Odin click on the AP button. You will be told to find the firmware file.
  10. Locate and load the L600VPUBOH1 tar.md5 firmware file in ODIN.
  11. Hit the START button to initiate the updating process.
    – do not press any buttons until all the firmware files are successfully installed on your computer.
  12. After the update is done you will see the PASS alert shown by your PC.
    – also your phone will reboot.
  13. Note that the first boot process will take a while before it completes and you can unplug the device from PC when the ‘optimizing apps’ screen appears.
  14. Use your usual login info to unlock your device.

I hope that you have managed to complete the updating process of your smartphone. If you need any extra help completing this guide, then you should take a look at the extra info listed below.

If ODIN shows the FAIL alert, it freezes the installation or any other error appears, then you will be forced to try and repeat the whole guide more than once. Make sure that in case you repeat the tutorial that your phone meets all requirements and that you won’t be skipping any steps.

Use the comments field to ask for more help if needed.

In case ODIN shows the PASS alert, but the phone gets stuck at the first boot process by showing the Samsung boot animation for more than 20 minutes or the device enters in a boot loop, then you will be forced to apply the ‘factory reset’ steps below.

The ‘factory reset’ needs to be applied if you’ve installed the new official firmware over a custom ROM, too. Here’s how to do it:

  • switch off the phone.
  • next, boot it in Recovery Mode.
  • select the ‘wipe data/ factory reset’.
  • confirm.
  • reboot device in normal mode.


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