Galaxy S5 Receives Official Android 5.1.1 Update with Stagefright Fix – How to

Android Stagefright security update is now available for Samsung Galaxy S5. This is an important update coming to fix the Stagefright Android vulnerability. With Stagefright vulnerability, all the attackers need is your mobile number to remotely execute malicious code using a specially crafted message. This is an extremely serious vulnerability as the target doesn't need to do anything unlike in the spear-phishing attacks where victim falls to some trap. Google has now fixed the bug which means you should update your devices as soon as you receive the notification of this patch.

Samsung and T-Mobile are releasing this official update to users in multiple stages; users will start receiving the OTA notification in the coming days. However, if you want to flash this security update right away, here is how to manually do so.

Note: This is an official Android 5.1.1 security update for T-Mobile Samsung Galaxy S5 model SM-G900T. Please do not try it on other variants. Flashing updates manually could void your device's warranty; only proceed if you know the risks associated with the process.

Prerequisites to update Galaxy S5 to G900TUVU1FOG6 Android 5.1.1:

  • Create a backup of all important data in your Galaxy device.
  • Download and install USB drivers for Samsung Galaxy S5 in your computer.
  • Enable USB debugging option by pressing Menu > Settings > Applications. Navigate and tap on Developer Options to ensure that USB Debugging is enabled.
  • Ensure that your T-Mobile Samsung Galaxy S5 G900T carries more than 80% of charge.

How to flash G900TUVU1FOG6 Android 5.1.1 on Galaxy S5 to fix Stagefright:

Files required: download G900TUVU1FOG6 Android 5.1.1 for T-Mobile Galaxy S5. Also download Odin3 v3.10.6 for installation from here. Unzip Odin; and unzip the official firmware file to get the .tar.md5 file.

  • Install Odin on your PC and launch it.
  • Switch your Samsung Galaxy S5 off and boot it in Download mode: press and hold Volume DownPower and Home buttons together.
  • Connect your SGS5 via a USB cable; when connected successfully, you will get a message in Odin saying Added!!. (In case you don’t get it, try another USB port. If that doesn't help either, then re-install USB drivers).
  • Click on AP in Odin and locate the G900TUVU1FOG6 .tar.md5 file.
  • In Odin make sure to uncheck Re-Partition. Hit START.
  • When update installation is successfully completed, you will see your T-Mobile Samsung Galaxy S5 rebooting.

First boot takes a few long minutes so please be patient.

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