[Mobile China News] On November 18, Huawei announced that 4 mobile phones including nova 8/nova 9 SE will be enabled for HarmonyOS 3 public beta upgrades. Specifically, the models that can participate in the public beta and upgrade are nova 9 SE, nova 8, nova 8 Pro and nova 8 Pro 4G. In addition, Huawei smart screen V75 Super, Huawei smart screen V98, Huawei smart screen V55 2021, Huawei smart screen V65 2021, Huawei smart screen V75 2021 and Huawei smart screen V85 2021 have also been pushed to the official version of HarmonyOS 3.
![[Mobile China News] On November 18, Huawei announced that four mobile phones including nova 8/nova 9 SE will be enabled for HarmonyOS 3 public beta upgrades. Specifically, the models that can participate in the public beta and upgrade are nova 9 SE, nova 8, nova 8 Pro and nova 8 - DayDayNews](https://cdn-dd.lujuba.top/img/loading.gif)
Huawei nova 9 SE
According to mobile phone China, if users who hold the above models want to experience the new version of HarmonyOS system, they can apply through the following two methods.
Method 1: "My Huawei APP-Homepage-Upgrade and try new - HarmonyOS 2-Upgrade now"; "Member Center APP-Experience Officer-Upgrade and try new - HarmonyOS 2 Official Version"
Method 2: Setting-System and Update-Software Update.
![[Mobile China News] On November 18, Huawei announced that four mobile phones including nova 8/nova 9 SE will be enabled for HarmonyOS 3 public beta upgrades. Specifically, the models that can participate in the public beta and upgrade are nova 9 SE, nova 8, nova 8 Pro and nova 8 - DayDayNews](https://cdn-dd.lujuba.top/img/loading.gif)
In addition, the official also stated that users should make the following preparations before upgrading. 1. Back up important data before upgrading, and ensure that the backup content is complete and effective, so as to avoid data loss problems after upgrading. 2. Ensure that the mobile phone version is on the baseline version. 3. Make sure the phone has more than 8GB of internal storage space and the phone does not have ROOT.