When the BlackBerry device displays lower case lettering for the network status, what are the first two steps that should be taken to re-establish network connectivity? (Choose two.) | Blackberry

A. Re-install BlackBerry Device Software.
B. Activate the BlackBerry device over the wireless network.
C. Perform a hard reset of the BlackBerry device.
D. Register the BlackBerry device over the wireless network.
E. Resend service books from the BlackBerry Enterprise Server.

Answer: C,D