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Beta 28.20 : Garmin Edge MTB : Restart

Garmin EDGE MTB
Since updating to 28.20 Beta, I am experiencing uncontrolled restarts during activities, which interrupt and stop the recording.

The map screen is hidden and no navigation is running when the issue occurs.

Connected IQ data fields in use:

Moxy1

Moxy2

HRV DFa1

No additional navigation or routes active.

Maximum runtime with heavy usage (no map or navigation): about 10 hours.

I’m willing to provide access to my data and logs. Garmin support/QA may contact me via email:

The previous Beta version appeared more stable and did not show this behavior for me.

Additional Details:

Issue can be reproduced multiple times, even on basic rides.

Please let me know if you need activity files, diagnostics, or further details.

I give permission to access my Garmin Connect and device logs for troubleshooting.

Thank you for your support!