There are many reasons why someone would need to go back to stock. They may need to return a device for replacement, they might want to install an OTA, or they may have rooted their device and broken a necessary feature. Whatever it may be, a good guide to return to unrooted stock can be almost as important as the root guide for certain users. There is now a return-to-stock guide for the ASUS Transformer TF300T that works and isn’t very difficult to follow.
To get started, users will need to download the Android SDK to get access to ADB and Fastboot. From there, it’s a matter of finding the correct stock firmware and installing it. Users are directed to go to the official ASUS website to get the stock firmware, which may be different from user to user based on their SKU, and then use Fastboot commands to flash the blob.
While easy to follow, there are occasionally a few hiccups. As guide author XDA Forum Member Auliyaa explains:
For some reason, the transfer seems to fail from time to time, if so, just try again by going back to previous step.
Once everything installs successfully, simple reboot the TF300T and prepare to be back to factory stock.
For the full tutorial, check out the original thread._________