公开(公告)号：US20170249137A1

公开(公告)日：2017-08-31

申请号：US15521863

申请日：2015-03-24

Applicant: Huawei Technologies Co., Ltd.

Inventor： KHENG HONG ANG ,  Chaozhi Huang

IPC: G06F9/445 ,  H04L12/24

CPC classification number: G06F8/65 ,  H04L41/082

Abstract: A method includes obtaining, by a first terminal, version information of a second terminal, where the version information of the second terminal includes at least a device model and a version number of system software of the second terminal; if the device model of the second terminal is compatible with a device model of the first terminal, determining, by the first terminal according to the version number of the system software of the second terminal and a version number of system software of the first terminal, whether system upgrade is to be performed on the first terminal; and if the first terminal determines that system upgrade is to be performed, obtaining, by the first terminal from the second terminal, system software data indicated by the version number of the system software of the second terminal.