Polar - Updates for Flow app Android, M400 and V800 users: - Flow app Android release corrects the activity and training data visibility issue which some of you experienced - firmware updates
How to Factory Reset a Polar M200 Fitness Tracker - Support.com TechSolutions
Polar M400 auf Werkseinstellung zurücksetzen: So geht's
M430 not loading, anyone know what should I do? : r/Polarfitness
Polar - Incoming! Android Smart Notifications are now available on Polar M400! More info & how to activate here: http://updates.polar.com/ | Facebook
polar flow does not connect/sync with flow app, even after resetting everything. : r/Polarfitness
How to do a hard reset on POLAR M200? - HardReset.info
POLAR M400 HR
Polar Vantage M White - watchesonline.com
Polar M430 user manual (English - 93 pages)
How to Hard Reset POLAR M200 – Restore Defaults / Wipe Data - YouTube