The news desk
On September 30, 2026, The 5K Runner sports tech reported that Polar pushed firmware 6.0.18 to six watches as part of its 2026 feature update. This update brings several new features: users can view a week of sleep, HRV, and recovery trends on the wrist; configurable custom buttons are added; full watch-side sport settings are provided; and an 80% charging limit is added. The report did not mention the specific operation method for each feature, differences between applicable models, or follow-up rollout plans. Current progress remains at this firmware release itself.
Polar is rolling out firmware 6.0.18 to six watches, letting users view a week of sleep, HRV and recovery trends on the wrist. The update also adds a configurable Custom button, full sport settings on the watch and an 80% charge limit.