For Wake Gesture update: Open the app and click on the Device option at the bottom. Click on the Firmware Upgrade option and then start the upgrade. Note: Make sure the watch is charged properly and it is connected to the app. Ensure that the watch does not move out of the Bluetooth range while the firmware is upgrading. This product is not designed to be a medical device under applicable laws and is not intended to diagnose, treat, cure, or prevent any disease. All data and measurements should be used for personal reference only and not for medical use.