Originally Posted by purepinay
This happened to me when I upgraded my 8320 to OS .175. Even though my "W" field in the Speed Dial list was empty, I deleted the "W" field anyway. Then I removed the battery to reboot the BB, and it now works.
I haven't upgraded my OS but all of a sudden had this problem.
Rebooting did not work.
Deleting the "W" field in the Speed Dial list (it was empty), and THEN rebooting fixed it.