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Totally disgusted with garmin and the forerunner 310 xt. constant glitches,now unable to upload any runs to laptop,rubbish!!! should have stuck with nike+ app on i phone,miles better and free..............Grrr...
you may have a bad unit, there are 1000's of these out there that work perfectly, have you contacted garmin? all mine have been nothing but flawless,
I am very happy with mine I suspect you may have a couple of issues that Garmin could hep with ??
Garmin have always been excellent with any issues i have had with my kit...give them a call.
yep 310 was good for me. there was a batch that had gps issues and lost the time (which caused problems with exercises being given wrong date).
also other bugs are fixed by getting latest firmware
garmin are pretty good at replacing faulty watches
After speaking with Garmin(who were very good) and trying various things found watch to be faulty have had new unit seems fine so far fingers crossed......