US 11,989,100 B2
Information backup method and related device
Xiaoping Zhang, Beijing (CN); Yaokun Zhang, Beijing (CN); and Quanxi Zhao, Beijing (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Sep. 29, 2020, as Appl. No. 17/036,705.
Application 17/036,705 is a continuation of application No. PCT/CN2019/079782, filed on Mar. 27, 2019.
Claims priority of application No. 201810273786.2 (CN), filed on Mar. 29, 2018.
Prior Publication US 2021/0011813 A1, Jan. 14, 2021
Int. Cl. G06F 11/00 (2006.01); G06F 11/14 (2006.01); H04L 41/0663 (2022.01); H04L 67/1095 (2022.01); H04L 69/40 (2022.01)
CPC G06F 11/1464 (2013.01) [H04L 41/0663 (2013.01); H04L 67/1095 (2013.01); H04L 69/40 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An information backup method, comprising:
sending a first identity notification to a cloud device in a communications system from a primary device in the communications system, wherein the first identity notification indicates that the primary device has a primary device identity;
determining a communication status of the cloud device;
obtaining first user information, wherein the first user information comprises first to-be-backed-up information of a first user equipment that is coupled to the primary device when the communication status of the cloud device is normal; and
uploading the first user information to the cloud device for storing and providing the first user information to a secondary device in the communications system when the communication status of the cloud device is normal.