US Patent 11562074 Firmware upgrade method and device, and storage medium

A firmware upgrade method can be applied to a terminal, and include: receiving a broadcast message for broadcasting an updated firmware type sent by a cloud server; sending firmware information matching the firmware type to the cloud server; and receiving a firmware upgrade package corresponding to the firmware information pushed by the cloud server. As a result, the space of the storage medium of the terminal is effectively saved, and the efficiency of firmware upgrade is improved.