Bluetooth interference or screen timeout. Fix: Keep the Da Fit app open on your phone screen. Disable "Screen Timeout" in developer options.
: Ensure both your smartphone and HK8 Pro Max have at least 50% battery to prevent the watch from turning off during the process. Connect to the App : Open the Wearfit Pro app on your phone. Hk8 Pro Max Firmware Update
The HK8 Pro Max is a hardware-centric device; what you buy is generally what you get. Firmware updates for this model are sparse, unverified, and risky to install manually. Bluetooth interference or screen timeout
Early versions of the Hk8 Pro Max suffered from phantom screen presses. The latest firmware (released Q3 2024) includes a new touch panel driver that eliminates false inputs. Hk8 Pro Max Firmware Update