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Restore ASUS Transformer Pad TF300T to Stock Android 4.0.3 ICS Firmware

Restore Stock ICS 4.0.3 Firmware on ASUS Transformer Pad TF300T

The ASUS Transformer PAD model number TF300T is a tablet devices that can be updated using numerous custom ROMs, but, this guide will teach you how to restore stock firmware back to your device in case you don’t want to use custom installations. Use all the info that I have listed and you will learn how to correctly restore your tablet computer back to its stock Android OS.

Read the preparation guide below if you want to correctly configure your device for the installation of the new stock Android files. Make sure that you don’t skip any listed steps as that will result in a failed attempt of restoring the Stock Android 4.0.3 ICS firmware. Here’s what you need to know and how to correctly prepare the computer and your tablet device:

  • this tutorial works exclusively with the ASUS Transformer Pad model number TF300T. Do not attempt to install it on any other devices as you might end up damaging them.
  • installing the stock firmware means that all the data that is stored on your tablet will be erased and that’s why you should move all your important files on your PC and avoid losing them.
  • Your computer should have the correct ASUS Transformer Pad TF300T USB Drivers installed. Also, ADB software has to be installed on it. You can find a detailed post here at the XDA forums and you will learn how to install ADB.
  • Charge the tablet’s battery at least until it says that there is 50% power left.
  • Disable all the antivirus and antimalware applications that are currently running on your computer. In this way, those tools won’t interfere with the installation of this stock firmware.
  • This guide should be applied only by advanced Android users who are familiar with Android SDK, Fastboot and other similar software tools.

Now that you’ve read all of the above you should still continue to read the entire tutorial first and only afterwards you should begin to apply all the changes required to complete the stock ICS firmware for your tablet.

How to restore ASUS Transformer Pad TF300T to Stock Android Firmware

  1. Download the stock firmware from the official web page of ASUS. When the web site loads you should click the OS drop down selection.  Select ‘Android’ and then click the ‘Firmware’. Download the latest stock firmware file and save it on your PC.
  2. Make sure that you download the correct firmware, as it should be the one that matches your tablets’ SKU value. Check that by opening ‘Settings’ on your ASUS Transform Pad and click the ‘About tablet’ menu. Look at the Build number and download the software SKU listed for that one. If ‘TW’ is listed on your tablet, then you should download SKU TW, and for the ‘US’ download the US SKU file.
  3. Extract the contents of the file you just downloaded. It will extract a new archived file and you should extract this one, too. It should unzip several files and one of these files should be named ‘blob’ and that’s that one you’ll work with.
  4. If your PC has the Android SDK installed on it, you will now need to download the ‘Fastboot’ zip file from HERE. In case you don’t have Android SDK on your PC, then use the info in the preparation guide and you’ll find an XDA link with a tutorial on how to get it. After the download of ‘fastboot’ is complete, move to the next step.
  5. Now extract the contents of the ‘fastboot’ zip and save them in a single folder on your PC. You should get 4 files within ‘fastboot’ folder. Fastboot folder should be placed on your computer’s C:\ partition.
  6. Move the ‘blob’ file obtained in step 3 and place it in the fastboot folder. Now you should have 5 files in ‘fastboot’ directory.
  7. Power off the tablet device. After that you need to press and hold ‘power’ + ‘volume down’ buttons until an alert that says ‘press vol. up to enter RCK (5s)’. Do not press Volume UP file and instead wait for the 5 seconds to pass.
    • Afterwards, in maximum 10 seconds you should press ‘volume down’ and highlight the ‘USB’ option. Press ‘volume up’ to confirm the action. If you don’t press that button in under 10 seconds, then the tablet will boot instead into Android normal mode and you will have to repeat this step 7.
  8. Connect your tablet to your computer using the USB data cable.
  9. Go to ‘fastboot’ folder on your PC. Press the ‘SHIFT’ button on your keyboard and then right-click on the folder’s white space. Select from the context-menu the option that says ‘open command prompt window in this location’. Move to the next step.
  10. Next, you need to enter the following command lines in the command prompt window.
    • fastboot devices – this command will recognize your tablet and several lines of numbers and letters will be displayed when that happens.
    • fastboot -i 0x0B05 flash system blob
  11. Now the stock firmware will be flashed and you should wait until then. NOTE: In case the installation fails, you should re-enter the second line of code listed above to try and re-install the ‘blob’ file. You’ll know that the software was installed when a ‘finished / OKAY’ alert is shown in command prompt.
  12. Next you will have to restart the tablet and to do this you need to enter the following command line: fastboot -i 0x0B05 reboot
  13. That should be all and now your ASUS Trasnformer Pad TF300T should restart into a brand new stock Android 4.0.3 ICS firmware.

These were all the steps that you had to take and now you should get back to your tablet and test its stock files and functions.

If you didn’t manage to complete this tutorial, then you should ask for our help in comments and we will answer your call. This tutorial should’ve been applied by advanced Android users with knowledge of Android SDK, Command Prompt, Fastboot etc. If you wish to find more guides that will teach you how to improve the performance of your tablet, then click the device’s name, it is a link listed under this article’s featured picture.

Do not attempt to flash this stock firmware on other Android devices as you might end up bricking them and that will require a totally different guide in order to repair them. Also, you can use the comments section and post some other tips and tricks on how to restore stock firmware ROMs on other Android devices.

Asus Transformer TF300T Articles