Version 1.7.64 counts swim Laps incorrectly
This release does not get the number on lengths right. My pace is about 40 sec per 25 m breast stroke. It is like clockwork. Now I get 40, 40,40,1:10,40,1:20, etc.
And I get odd length counts say 39 laps when I did 44.
How owe can I roll back versions? As this Vers is useless for me. It has been wrong every since swim. But was not before

thanks
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Superusers
https://en.discussions.tomtom.com/spark-and-spark-3-runner-2-and-runner-3-473/unable-to-pair-sync-after-update-to-firmware-v1-7-53-runner-and-spark-watch-series-1030088
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