Keep both devices within three feet of each other during transmission. Step 2: Establish the App Link

Based on crowdsourced data from smartwatch forums, YouTube reviewers, and XDA Developers threads, here are the consensus :

Sometimes, getting the "top" firmware isn't seamless. If your update fails:

Sometimes updates can fail or stall. Use these quick troubleshooting steps to resolve the most common issues: The Update is Stuck at 0% or Fails Midway

Upgraded software builds add lightweight AI utilities directly onto the firmware partition, allowing the watch face to pull processing answers from cloud-linked smart systems. How to Flash the Top Firmware Safely

The firmware on this device is managed through the Wearfit Pro app, which serves as the official portal for updates.

Never close the companion app, turn off Bluetooth, or power down your phone while the firmware flash is in progress. Doing so can permanently brick your smartwatch hardware. Troubleshooting Common Firmware Issues

Tweaked algorithms for more reliable heart rate, blood oxygen, and sleep monitoring. How to Update Your HK8 Pro Max Firmware