It looks like Huawei has made available an official method to unlock the bootloader.
But i haven't tried it yet. Maybe it could lead to something useful. ;)
If someone wants to try out the new ICS Preview, i've created 2 mirrors for dowloading :)
Here you go :) You need a running Linux to perform these steps:
I'm not responsible for any damaged or bricked devices! You perfor everything on your own risk! ONLY For the Huawei Mediapad. Don't use this Method for the T-Mobile SpringBoard!
This is simple :) 4696 is Unbranded DE you can buy at Amazon or MediaMarkt/Saturn without any contract etc. 2052 is for UnitedInternet (gmx.net, web.de). It doesn't have any branding but some preinstalled apps.
They published an update for the app yesterday. Now it works we CE1 Firmware in germany. ;)