Honor Device Co., Ltd.

Jiulin Huang

Chao Xi Chen

Yanzhao Wang

Zenghui Zhang

Chao Chen

This application provides an operating system update method, an electronic device, and a storage medium. In the method, an installation manner of an update file corresponding to a sub-partition of a super partition depends on current available space of a user data partition and a size (a compressed size or an uncompressed size) of the update file, so that it can be determined, based on a specific case in an operating system update process, whether to use a cow compression function.

Operating system update method, electronic device, and storage medium

Embodiments of this application provide an operating system upgrade method applied to an electronic device, and the method includes: obtaining a first upgrade installation package, where the first upgrade installation package includes a first upgrade file; storing the first upgrade file in a user data partition; restarting the electronic device, and loading data in a basic partition and a second static partition; loading data in another sub-partition other than a first sub-partition in a dynamic partition, and loading the first upgrade file; and merging the first upgrade file into the first sub-partition of the dynamic partition. The method further includes: synchronizing data in a first static partition to the second static partition. According to the method in embodiments of this application, independent upgrade may be performed on a customized sub-partition in a dynamic partition, to upgrade a customized operating system.

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Shenzhen, China

Jiulin Huang