Garmin is actively deploying a crucial stable software update to a selection of its contemporary smartwatches. This global release specifically targets the Instinct E and Instinct 3 series, aiming to rectify a persistent bug that has led to activity crashes when GPS functionality is engaged. This widespread rollout ensures that users encountering these issues can expect a swift resolution.
The Journey to System Software 9.21
The development of this interim update, System Software 9.21, has been finalized by Garmin, encompassing both AMOLED and Solar iterations of the Instinct 3, alongside the more budget-friendly Instinct E. This follows closely on the heels of System Software 9.20, which introduced enhancements like Rucking activity tracking and improved sleep monitoring. These earlier refinements were subsequently incorporated into Garmin’s broader May 2025 Feature Updates, distributed across a range of their recent smartwatch models. The necessity for version 9.21 arose from a critical bug present in System Software 9.20, which Garmin quickly addressed with Beta Version 9.21 before transitioning it to its stable release channel.
Global Rollout and Manual Update Options
The primary objective of System Software 9.21 is to conclusively resolve the bug responsible for activity crashes during GPS usage. Garmin’s current deployment figures indicate that approximately 20% of Instinct E and Instinct 3 smartwatch owners have already received a notification prompting them to download this vital update. For those who haven’t yet received an automatic prompt, the update can be manually initiated. Users can navigate to the “Menu” option on their device, then proceed to “System,” followed by “Software Update,” and finally, tap “Check for Updates” to retrieve and install System Software 9.21.
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