Which of the following is MOST likely the problem?

A client, Joe, has reported issues with the back cover of his company-issued smartphone. Joe stated that it seems to either come off on its own, or will not seat properly on the phone.

Which of the following is MOST likely the problem?
A . The MicroSD card is not installed properly.
B . The battery needs to be replaced.
C . The charging port is bent.
D . The smartphone has a non-OEM cover.

Answer: B