Of course, all Android phones in China need to clean up cache garbage regularly. Under normal circumstances, the update of the mobile phone system will not lead to zero data, and many small partners who have updated the HarmonyOS system have indicated that their data exists.

Brief introduction of Huawei HarmonyOS system;

Huawei HarmonyOS OS is the operating system HarmonyOS OS officially released by Huawei at the Huawei Developers Conference held in Dongguan on August 9, 20 19.

Huawei HarmonyOS System is a brand-new full-scene distributed operating system, which creates a super virtual terminal world, organically connects people, devices and scenes, and realizes rapid discovery, quick connection, hardware mutual assistance and resource sharing of various intelligent terminals that consumers contact in full-scene life, and provides scene experience with appropriate devices. ?