Summary: All Items are missing after updating to
5.7.2010.0824 iPhone Client

SYMPTOM:
After updating to the 5.7.2010.0824 Client all Items seem to
be deleted from the iPhone

CAUSE:
The Client 5.7.2010.0824 will do a "refresh all data". This
means you loose all current Items on the iPhone and will
only see new Items received or created after the update
moment.

SOLUTION:
Re-register the User in the Mobile Office Admin.