: Open the Wearfit Pro app on your phone. Ensure the watch is paired and active.
: Optimization of background processes helps squeeze slightly more life out of the battery, especially when using the Always-On Display (AOD). How to Update To update your HK8 Pro Max Go to product viewer dialog for this item. Hk8 Pro Max Firmware Update
The watch screen may go black or show a progress bar. It will automatically restart once finished. : Open the Wearfit Pro app on your phone
Once paired, tap the device avatar at the top of the DaFit homepage. Scroll until you see "Firmware Update" or "Version Update." Hk8 Pro Max Firmware Update