Charging box upgrade method, charging box, wireless earphone and TWS earphone

The invention discloses a charging box upgrade method, relates to the technical field of portable listening equipment, and aims to solve the problem of poor user experience due to relatively long waiting time for a user during upgrading of an existing charging box. The method comprises the following steps: receiving an upgrade request sent by a wireless earphone; judging whether breakpoint continuation is needed or not according to the upgrade request and the status of an upgrade file; if so, sending a corresponding upgrade data request to the wireless earphone according to remaining upgrade data information of the upgrade file, and receiving the remaining upgrade data information of the upgrade file sent by the wireless earphone; and performing restart and upgrade according to the upgradefile. Through adoption of the charging box upgrade method, the charging box is upgraded in a silent way, so that the upgrade waiting time of the user can be shortened, and the user experience is improved. A breakpoint contin