This has only been tested on a european Huawei Mediapad and is based on the 2nd Preview of ICS
fastboot flash recovery recoveryxxxx.img fastboot flash recovery2 recoveryxxxx.img
Important: If you want to restore a backup use
wipe data/factory reset wipe cache partition
After a "wipe data/factory reset" and "wipe cache partition" the first boot could take at least 10 minutes.
If you want to flash AddOns like GApps.zip no wipe is needed
After restoring a Backup, ALL apps are restored but not all app-settings.
Remember: It's a BETA-Release !
All credits go to DS7005, segler11 and brainmaster