I hate to admit, I'm still on the Flex 2. Reason being, I've read so many negative reviews on various models and wanted the latest special edition for my heart monitoring, however again, reviews are not too favorable and I'm not all the techie. My FB flex 2, stopped giving me the active minutes today after 30 minutes on an eliptical and I can not manually input. Appreciate any info and sorry if on wrong page for this question. I could not find a specific page. Thank you.