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Heart Rate Monitor Incorrect Following 27.09 Update

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I am noticing the heart rate monitor is incorrect following the 27.09 update. I have tested with my Garmin Forerunner 165 Music in built heart monitor and my Garmin HRM Pro Plus external monitor when running.

I have tried rebooting the watch multiple occaisions, but it does not recognise when my heartrate increases when running.

Anyone else experienced something similar since the latest update?

  • 0

    Hi, I have the same issue. After the 27.09 Update the heartrate is constant between 72-80  idependent what I do. No sleep is detected anymore and body battery is also not working. This is a shame! My forerunner 165 is now useless for me. I resettet the watch which did not help. Does someone has an idea how to downgrade to the old firmware? Is Garmin aware of this *** Firmware 27.09 Bugs?

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    I have the same issue with FR 165 after this *** update 27.09. Before this update everything was good but now the heart rate is constant at 72-80 bpm, the body battery and sleep detection is not working anymore. Also the tracking is now very slow when starting the activity... I tried to reset which did not help. I want to downgrade the firmware but don't know where to find the old firmware. I hope Garmin is aware of its stupid firmware release ...I think thousand of Forerunners are not working anymore properly. My FR seems to get several debugging updates which also not helped. Is this watch now damaged?

  • 0

    I'm also experiencing the same problem. Yesterday, my heart rate was dropping intermittently, from 135-140 to around 70. This only happened on my second run after the update. I didn't have any problems before the 27/09 version. Could you please check and fix this ASAP?

  • 0

    Hi, is someone from Garmin reading this and also other topics related to update 29.07? Are you aware that you made millions of watches useless with your glorious update? How are you working? are you testing updates before rollout? I'm frustrated because my FR 165 is now useless for me and my training.... perhaps better now changing the brand.