The new firmware has tighter timing. Disable “always-on heart rate.” Then re-enable slowly.
Why Updating Your HK8 Pro Max Firmware Changes Everything The HK8 Pro Max is one of the most popular Apple Watch Ultra clones on the market. It wins users over with its vibrant AMOLED screen, fast dual-core processor, and premium build quality. However, out-of-the-box hardware is only half the battle. hk8 pro max firmware better
Before diving into the solution, let's address the problem. When you first unbox your HK8 Pro Max, you are likely running Version 1.0 or a beta build of the firmware. Common complaints include: The new firmware has tighter timing