Step 1: Download the following files:
Once you’ve downloaded them, transfer them to the /sdcard directory on your device’s internal storage.
Step 2: From ROM Manager, hit Reboot to Recovery to boot your Eee Pad TF101 into ClockworkMod Recovery.
Step 3: From ClockworkMod Recovery, select wipe data / factory reset. Then, in advanced, selectwipe Dalvik cache as well as wipe cache.
Step 4: Now it’s time to actually flash the ROM. Navigate to install zip from sdcard > choose zip from sdcard > tf101-ics4.0.3-20120121-cwm.zip.
After that, you’ll need to select flash icygappsv2.zip.
Step 5: On the main menu, select reboot system now.
And that’s it, job done! If all went well, you’ll will boot into (a very early alpha build of) Android 4.0.3 Ice Cream Sandwich on your Eee Pad TF101.
Step 6: Lastly, download and install a CPU control app like SetCPU, No-frills CPU control or Antuantuand set them to interactive governor.
DISCLAIMER: XiPhone will not be held responsible for any loss of data or damage to device experienced by following this guide. There shouldn’t be any problems, but proceed at your own risk.
Asus mentioned a few days back that Ice Cream Sandwich for the original Transformer tablet will drop mid-February. A specific date has yet to be revealed, but the update will likely boost the device’s speed as well as bringing that much-improved Ice Cream Sandwich UI. If you’ve a little patience, we highly recommend sticking around for what we suspect will be a little stabler release.