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Battery issue, known bug

Hi!
Since i bought my Fenix 5, one month ago, updated to v 12 on the first day of use, battery life has been awful.
Without recording any activity, the watch battery drains 25-30% every day.
I always kept 20% display light for 4 secs and only after dark on wrist move.
In the last weeks i tried disabling activity tracking as well as Move IQ and stopped wearing it while sleeping. I just left on phone notifications and HR, but that didn’t make much difference, just a few percentage points per day.

So I called the italian support center, where a not very polite operator told me that Garmin was aware of a bug affecting not all but many F5 units and was responsible for the heavy draining of the battery. He told me that it’s not a hardware related issue so it is pointless to return it, and that i just have to be patient and wait. When i replied that this device is available since more than 1 year and this should be enough patience for a bug so serious, he just told me that there was nothing he could to.

So I took a look at this forum, but except some poeple complaining, didn’t find case so severe as mine.
I’d like to know if this is really a known bug and if Garmin is actually working on that.
Also it would be helpful to know in there is other people on the forum with my same issue.

Thanks

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0 skyman over 4 years ago in reply to 8853504

One of the most working options:

forums.garmin.com/.../fenix-5-series---13-51-beta-release

in the downloaded file (for your f5 / s / x) there is a rollback file until 13.30 .. Until 13.51 do not immediately roll back! From the beginning you need to 13.30. The link will contain instructions (it is at the bottom of the page)

0 8853504 over 4 years ago in reply to skyman

Thank you very much, I reduced the software, now I am waiting for how long the battery will last, but I can't pair the watch with the phone.

0 8853504 over 4 years ago in reply to 8853504

it's good after 4 hours 100 percent battery

0 slugwalker over 4 years ago in reply to 8853504

Update version 13.30, like other version, my F5 battery depletes 3% after 8 hours on watch mode from 6.00 am until 2:00 pm with no activity. Is it normal?

0 8853504 over 4 years ago in reply to slugwalker

Hey.
I only updated the system to version 13.30 and it helped me, now 5% of the battery is enough for 24 hours in watch mode. Thanks a lot

+1 Garmin-Heath over 4 years ago

We have identified a possible issue with software version 13.40 for the fenix 5 that can cause additional battery drain to take place. If you are experiencing increased battery drain on your fenix 5, update your software to version 14.20, or later. For more information see the following Support article: Increased Battery Drain After Updating Software