Updates for the C406 series do more than just fix "known bugs." They often unlock significant hardware capabilities that evolve with the cycling landscape:

A: Magene often does "staged rollouts." Also, note that the C406 Pro and C406S have different firmware than the standard C406. Ensure you have the correct model.

: Go to the "Me" section at the bottom, then tap on "Setting" .

Always update the OnelapFit App itself to the latest version before attempting a firmware update to avoid compatibility issues.