CompTIA A+ 220-1001 Question A-81

After upgrading a smartphone’s OS, Joe, a user, reports the smartphone no longer connects to his automobile automatically when near it, Joe, restarts the smartphone, but the problem persists. Which of the following should a technician do NEXT to restore the previous functionality?

A. Connect the smartphone to the automobile via USB
B. Reenable the smartphone’s Bluetooth radio
C. Perform a rollback of the smartphone’s OS
D. Pair the smartphone with the automobile

Correct Answer: B