Bluetooth interference or screen timeout. Fix: Keep the Da Fit app open on your phone screen. Disable "Screen Timeout" in developer options.
: Once the installation is complete, the watch will automatically restart to apply the new system version. Troubleshooting Common Issues Hk8 Pro Max Firmware Update
Updates may include refinements to the menu styles (switched via double-clicking the crown) and smoother transitions between app functions like blood sugar monitoring and short video control. Update Checklist Bluetooth interference or screen timeout