Fenix 5 Series - 13.51 Beta Release

We have new beta software ready for your upcoming adventures!

Fenix 5s: https://www8.garmin.com/support/download_details.jsp?id=11661
Fenix 5: https://www8.garmin.com/support/download_details.jsp?id=11663
Fenix 5x: https://www8.garmin.com/support/download_details.jsp?id=11665

Note: Please allow for the updates to propagate across all servers. There is no need to post that the link does not work. It will after a bit of patience.

13.51 Change Log Notes:

Made several code improvements and bug fixes for golf, especially CT10.
Fixed an intermittent issue where the device could report an incorrect treadmill calibration.
Fixed an issue where the hourly alert was off by minutes when manually changing time on device.
Fixed an issue where stroke data during a rowing activity was not available on Varia vision.

Please send all bug reports to [email protected], and indicate which model of the fenix 5 series you have in the subject line.

Please note, the beta updates released on these forums are not suitable for APAC region devices.

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0 J_Hunkin over 4 years ago in reply to Fozzy

I have a "System_Backdate_v1330" directory in the 13.51 Beta I downloaded. It's has a GUPDATE.GCD file. If I just put that one file in place, leaving the other files I copied in from 13.51 earlier today, will that do the rollback to 13.3? BTW, many thanks for all the help!

0 Fozzy over 4 years ago in reply to J_Hunkin

I think so yeah, what I found was that the watch had deleted the files it wasn't able to use - like the sensor hub update - next time I connected it.

Someone has posted a helpful guide in the battery drain thread that talks you through the process and has corrected it for them.

0 Former Member over 4 years ago in reply to Fozzy

wizardcho said:
How to change v14.1 to v13.3 or v13.51beta.

happy & safe sporting

0 Former Member over 4 years ago

Why don't they just change the name of the beta to 14.20 and push it out as a general release?

0 J_Hunkin over 4 years ago in reply to Fozzy

Finally got around to going back to 13.3 this morning. Whole watch lost all the settings and such. Reinstalled the battery widget and so far it's only reporting 0.1% per hour. We shall see... again, thanks!

0 Fozzy over 4 years ago in reply to J_Hunkin

Glad you managed to get it sorted :)

0 8918940 over 4 years ago in reply to J_Hunkin

Any update on the revert. I am in process of reverting too!

0 B_Lennon over 4 years ago in reply to J_Hunkin

Same here, reverted to 13.3 this morning. But somehow (on iPhone) the connect IQ app can't see the watch so cannot re-install the battery widget. Have to let time pass and check how the battery drains.

0 3164639 over 4 years ago in reply to B_Lennon

dear B_Lennon, can you sent me 13.30 firmware for fenix 5? i can't find it. thank you.