Owners of the new Asus Padfone are in for a treat. The super-hybrid-device should be receiving a new OTA update very soon that brings with it a host of enhancements and improvements. The new build is version 9.20.1.22, and brings your Android version to 4.0.4. Here's a quick rundown of some of the new stuff it brings:
  • System upgrade to Android 4.0.4
  • Elevate system stability and optimize the operating performance
  • Optimize Dynamic Display Switch (DDS) performance
  • Optimize power consumption
  • Optimize Camera performance and quality
  • Message / Email edit function improvement
    1. Group Edit
    2. Email update frequency, "peak time" and "Off peak time" setting feature added.
  • Optimize Input method
  • SD card support to 64GB
  • Super Note function added
    1. Reset the password
    2. Hand Writing Recognition Speed
  • Device tracking and data protection support.
    1. Register and Setting of Device Tracker (Asus Device Tracker)
If you don't fancy waiting, then you can force the update manually by going to Settings > About > System Firmware Update > Check Update.

Source: TransformerForums via Asus