1. System update in mobile phone settings: We open mobile phone settings → system and update → software update, and then it will automatically check the latest version of the system, but many times it can't check the latest version, so we have to upgrade the system through the latter two methods.

2. Upgrade through the Pollen Club: Open the Huawei application folder, find the Pollen Club, find the upgrade early adopters on the homepage of the Pollen Club after opening, click in to apply immediately, wait for the inspection and update to be completed, and click in the new version to upgrade to the latest HarmonyOS system.

3. Or through service upgrade: find my Huawei app and click on the home page to see the service options. After opening the service, drop down to find the early adopters of the upgrade, click Go Now, and it will check the update. After the update is completed, click Enter to find the new version, download and install it, and then upgrade to HarmonyOS system.