fijate codeworkx acaba de modificarlo ahora esta de esta forma..
a añadido el wipe cache..
Updating from a previous build:
- Copy CM9 ZIP to your internal SDCard
- Boot into Recovery
- Flash CM9 zip
- Flash GApps and Faceunlock ZIPs
- Wipe cache partition
- Reboot
- If you've problems with calendar sync or similar, flash GApps-Fixer
