Known problems › Smartwatches and Fitness Bands
6 sourced reports, with what to check before you buy. Each one links to the page it was reported on.
The voice wake-word feature, enabled by default in a September update, listens constantly and can halve battery life. Garmin acknowledges the drain but not the magnitude.
What to check. If your Fenix 8 battery life dropped sharply after a software update, go to Settings > System > Voice and disable 'OK Garmin' to restore expected runtime.
Reported on: tech.yahoo.com
Garmin confirmed the bug after dozens of forum reports; it is a firmware regression (23.31) that also shortens battery life because the screen stays at max brightness.
What to check. If your Fenix 8 screen stays stuck at full brightness after being in sunlight, touch the screen or press a button to reset it until Garmin ships the fix. Check for the next firmware update.
Reported on: notebookcheck.net
A GPS acquisition bug made satellite lock take up to 3 minutes; Garmin fixed it in firmware 12.38, restoring ~5-second locks.
What to check. If your Fenix 8 is slow to get a GPS fix, update to firmware 12.38 or later.
Reported on: notebookcheck.net
A Garmin Connect iOS update broke Bluetooth pairing for Fenix 8 owners; fixed in app version 5.21.1, though some users needed to re-pair manually.
What to check. If your Fenix 8 won't connect to an iPhone, update Garmin Connect to 5.21.1+; if it still fails, forget and re-pair the watch in Bluetooth settings.
Reported on: notebookcheck.net
Battery drain persists for some owners even after Garmin's 22.39 fix; a suspected cause is Wi-Fi staying active after a Spotify sync.
What to check. If battery drain persists after updating, try disabling Wi-Fi manually or re-pairing; check Garmin's forum for the latest workaround.
Reported on: notebookcheck.net
A Turkish owner (Koşu Forum) reports the watch repeatedly resetting when starting a running activity; re-updating via Garmin Express resolved it. This is the only TR-market owner report found.
What to check. If your Fenix 8 resets when starting an activity, re-update the firmware via Garmin Express on a computer.
Reported on: kosuforum.com
All Smartwatches and Fitness Bands
Kriko reads a listing and tells you which of these apply to that exact product. It runs on your computer, needs no account and is free.
These reports come from the pages linked under each item: owner forums, repair guides and workshops. They are not a diagnosis of any one unit, and a careful check of the one you are buying still applies.
Text from the Kriko Smartwatches and Fitness Bands catalog, version 0.1.2, under the CC-BY-SA-4.0 license.
