Update - Huawei Sun2000 Firmware

Unlike some brands where updates fix one bug and break two things, Huawei’s changelogs are transparent. The last two updates improved:

The app will transmit the package; ensure the phone remains close to the inverter until the "Upgrade successful" message appears. 2. Remote Update via FusionSolar Web Portal huawei sun2000 firmware update

Once the app shows "Upgrade Successful," wait 2 additional minutes. Then tap Refresh . Verify the version number matches the latest. Unlike some brands where updates fix one bug

The app sometimes downloads the update but doesn’t notify you to apply it. You have to manually go to Device > Maintenance > Firmware Upgrade . I’ve seen inverters run 6-month-old firmware simply because the user never clicked that menu. huawei sun2000 firmware update