How to Install KitKat 4.4.2 XXU1ANF1 on Galaxy Tab S 10.5 SM-T800

Galaxy Tab S 10.5 (WiFi) SM-T800 will be equipped with Android 4.4.2 XXU1ANF1 as soon as you’re done with our post. After you’re done with our guide, your gadget will deliver some great novelties, perform better and the list goes on!

To update your tablet to the newest KitKat there is, you will need official firmware. That’s what we prepared for your device today. The Android 4.4.2 XXU1ANF1 firmware is featuring awesome goodies for your device. It was unveiled this month for the USA (Cellular South) and Canada.

The tool we provide for this tutorial has to become part of only one tablet: the one you have. If it’s installed on a gadget with another name, you’ll affect it. But, if used on the model it was intended for, this new firmware will bring plenty of noteworthy additions.

The benefits

Here is a list with what’s in store for your tablet after you upgrade it. The procedure we’ll describe below delivers new apps and many customization options. Likewise, it helps you experiment with various new features and battery tweaks. The latter will help your Galaxy Tab S 10.5 SM-T800 perform for longer hours. The speed of your gadget’s CPU will become loads superior, too. If you worry about security bugs after the upgrade, you shouldn’t. The update firmware we chose is very safe to use.

Should you wish to perform an upgrade on a tablet with root access, you’ll have to be ready for problems. The major one is this: your device’s root access shall be revoked. You will also witness the deletion of its system partition. However harsh that may sound, your tablet won’t deal with important data being deleted. Also, the upgrade won’t damage its important internal and external SD cards.Galaxy-Tab-S-10.5-SM-T800


Of great importance are the following requirements:

  • a notebook with Windows is needed for this update;
  • turn off the security programs which are active on your Galaxy Tab S 10.5 SM-T800;
  • turn off the ones activated on the laptop;
  • save important data on your tablet with backups;
  • create a full NANDroid backup using these instructions;
  • perform the upgrade with a fully charged tablet;
  • download, on the notebook, USB drivers from this website;
  • don’t forget to have USB Debugging activated on your tablet.

Step by step instructions

If your tablet is done with these pre-requisites, you can officially get the Android 4.4.2 XXU1ANF1 on your tablet.

  1. Start by adding some packages on your notebook. These are Odin v3.09 (available here) and the new firmware (here’s the and ). If the necessary packages have been downloaded on that device, use 7Zip to extract them.
  2. After the files inside each of these packages are on the laptop, look for Odin3 v3.09.exe. You should look for it because this file needs to be launched on your notebook.
  3. Your next task is asking you to restart the tablet in Download Mode. This is the method to do it: once you’ve pressed and held Home, Power and Volume Down for a while, wait for a boot message to be displayed. If this message pops up soon, release those buttons and press Volume Up.
  4. The following step should now be performed: provide a connection between the tablet and your laptop. The creation of a connection between the two has to be done with the tablet’s USB cable.
  5. If Odin is seen searching for your gadget, very soon the plugging will have been established. But wait for a blue sign first; it will be revealed by Odin.
  6. Next up: make sure you add the firmware file to AP / PDA and then check two boxes. Here are its names: Auto Reboot and F. Reset Time.
  7. There’s a box which needs to be unchecked afterwards; its name: Re-partition. If you’re done, tap “Start“ and wait for the end of the firmware’s installation phase.
  8. As always, the flashing of the update tool will last around 10-15 minutes. If “Pass“ appears after these 15 minutes are up, you’ll have to wait till the Samsung SM-T800 reboots.
  9. The devices will have to be unplugged from one another next. Go to the USB cable and take it out for this step.
  10. [sc name=”banner-jos”]When the two are connected to each other no more, you can tap Settings on the gadget, then About Tablet. These actions are going to help you get to the new firmware.

If you want your tablet’s previous ROM to be running on it again, we suggest this: use the NANDroid backup file. If you opt for this method, you’ll lose the update.

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