Garmin Fenix 5 – Poor Connectivity and GPS Accuracy

I was looking at the new beta firmware for the Fenix 5 and noticed two very highly viewed threads on the forum.

Clicks to source on

Those are some serious levels of interest: >50,000 views of ANT+ connectivity issues and >107,000 people further interested in GPS accuracy. Edit: Doesn’t quite match the F3HR altimetry (yet)

I would hope that Garmin have realised by now that people are really concerned about the accuracy of key aspects of their devices – heart rate, position, altitude. Clearly the sports we are probably most interested in involve going ‘fast’ to some personal degree. It’s kinda nice for the watch to tell you how fast you are going. Otherwise, what’s the point?

You have to give Garmin credit for discussing these issues publicly to some degree where others do not. Let’s hope that the sheer number of people concerned about this will lead to a positive change in the Fenix SOON.

Fenix 5 – Confirmed **Antennae Modification** by Garmin. Is this the 5+? (A: no!)

We’ve already seen, below, that Garmin IS making changes to the Antennae to help connectivity. Perhaps the seriousness of the problem will encourage Garmin to bring forward the introduction of better GPS/positional accuracy with Galileo.

Here’s an interesting discussion about what other issues the 935 (aka Fenix 5 in all but name) that we would like improving.

Garmin 935 – Future Changes – 935plus or 945 ?


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the5krunnerRob hamrickRyanIan Porterthe5krunner Recent comment authors
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Just to be through but the Fenix 3HR also had this, not to mention the massive topic on the altimeter. Which, and I don’t care what people tell me, was borked. When your standing in the middle of your living room and the watch is reporting 6000ft….something is wrong.


it´s kind a funny that a company thats main income comes from navigational devices, has bad gps accuracy on their GPS watches… an omen?

Ian Porter
Ian Porter

I’ve been battling with Garmin for months over the ANT+ issue and finally go them to swap my watch

now I can’t be sure it’s got the revised antenna design BUT it’s infinitely better

10 miles run with Stryd and not a single drop out

10 miles ridden on my Tacx trainer and while not 100% it’s nearly there and needs a bit more testing – certainly a huge improvement

still too early to be sure it’s ‘fixed’ but looks promising

for reference the new one has a higher serial number – 5361113xxx