Earlier the beta version of the lollipop update was leaked which was TW (Taiwanese) version and only TW users can intstall it on their devices. For WW( Worldwide) users they have to convert here devices first into TW version to install the beta lollipop upgrade. Here's the guide how to convert it.
---DO AT YOUR OWN RISK---
Downloads (Assuming you have adb drivers and tools installed)
Step 1:- Extract fastboot.img and recovery.img from the zip file
Step 2: Copy these files to adb folder. Now connect your phone.
Step 3:- Now open command view on this folder (Shift +Right mouse button) Now write in the command window adb reboot fastboot.
Step 4: - Now write in the command window fastboot flash fastboot fastboot.img
Step 5:- After completion again write in the command windows fastboot flash recovery recovery.img
Step 6:- After completionreboot your phone.
Step 7: Now rename the TW part from the file to WW i.e. from " UL-ASUS_T00F-TW-2.21.40.44-user.zip" to " UL-ASUS_T00F-WW-2.21.40.44-user.zip"
Step 8: Copy the ROM to Phone internal storage now it will show a phone upgrade available now upgrade your phone. If it doesn't show up just reboot your phone.
All done Now you are using the TW version and can further install the Beta version of Lollipop upgrade[b]. You can use the same method to revert back to WW version
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![[Image: 2014100911550971261.jpg]](http://3.bp.blogspot.com/-FiiWYcpA69Y/VUWLjhJ-bQI/AAAAAAAADes/R_vgwt7zvP0/s1600/2014100911550971261.jpg)