Mobile terminal, power adapter, and upgrade method thereof

6-8. (canceled)

A method of upgrading a power adapter comprising:

• receiving software upgrade information of the power adapter from a mobile terminal by the power adapter through a data line in a charging port during a process that the power adapter is connected to the mobile terminal through the charging port;
• and
• upgrading software of the power adapter by a processor of the power adapter according to the software upgrade information.

(canceled)

14-15. (canceled)

A mobile terminal comprising:

• a download controller configured to download software upgrade information of a power adapter, the software upgrade information configured to upgrade software of the power adapter;
• and
• a first sending controller configured to transmit the software upgrade information to a processor of the power adapter through a data line in a charging port during a process that the mobile terminal is connected to the power adapter through the charging port to facilitate the processor to upgrade the software of the power adapter according to the software upgrade information.

(canceled)

(canceled)

A power adapter comprising:

• a first receiving controller configured to receive software upgrade information of the power adapter from a mobile terminal through a data line in a charging port during a process that the power adapter is connected to the mobile terminal through the charging port;
• and
• an upgrade controller configured to upgrade software of the power adapter through the processor of the power adapter according to the software upgrade information.

(canceled)

(canceled)