If a new firmware version is available, click "Update" or "Upgrade."
Unlike major brands (Apple, Samsung, Garmin), the manufacturers of generic Chinese smartwatches like the HK8 Pro Max do not maintain a centralized, transparent update server. Hk8 Pro Max Firmware Update
While the HK8 Pro Max is considered one of the more stable clones, early-production models sometimes faced battery drain issues. Users often compare it to the Hello Watch 3 Hk8 Pro Max Firmware Update