Updates & Downloads
Forerunner 235 software version 8.20
as of August 4, 2020
(2.12 MB)
Notes:
- WARNING: If this software is uploaded to a device other than that for which it is designed, you will not be able to operate that device.
- If attempts to upload software fail, you may need to return the device to Garmin® for service.
Change History
Changes made from version 7.90 to 8.20:
- Address integer overflow and bounds check vulnerabilities in CIQ virtual machine.
Changes made from version 7.80 to 7.90:
- Minor improvements related to Bluetooth smartphone connections.
Changes made from version 7.70 to 7.80:
- Added support for Connect IQ 1.4.5.
- Reduced the likelihood of the watch shutting down prematurely in very cold weather.
- Minor improvements related to Bluetooth smartphone connections.
- Improved the behavior of syncing steps to Garmin Connect Mobile.
- Fixed an issue where changing the step goal on Garmin Connect Mobile may not always update on the watch.
- Fixed an issue in which scheduled workouts could appear on the wrong day on the training calendar in some time zones.
- Fixed an issue in which the last row of the hourly forecast on the weather widget could show incorrect data.
Changes made from version 7.60 to 7.70:
- Fixed Bluetooth connectivity issues with Huawei phones.
Changes made from version 7.50 to 7.60:
- Added support for Connect IQ 1.4.4.
- Various fixes and improvements related to Bluetooth smartphone connections.
Changes made from version 7.40 to 7.50:
- Various fixes and improvements related to Activity Tracking.
Changes made from version 7.30 to 7.40:
- Fixed an issue in which secondary heart rate zones were used in cases where the primary heart rate zones should be used.
- Fixed an issue in which stored heart rate data may fail to download from HRM-Tri/HRM-Swim straps.
- Fixed an issue in which the backlight may not always turn on when an alert is displayed.
- Fixed a rare issue which could cause the watch to restart when accessing the weather widget.
Changes made from version 7.10 to 7.30:
- Added some characters that were missing from the Greek keyboard.
- Improved handling of right-to-left text in notifications.
- Improved accuracy of all-day heart rate.
- Fixed an issue which prevented maximum heart rate from being set in some cases.
- Fixed an issue in which GPS could be enabled in indoor activities in some rare cases.
- Fixed an issue in which the 'Updating' spinner could be displayed more often than necessary when paired with a smartphone.
- Fixed an issue in which the moon icon could remain on the watch face outside of the Do Not Disturb/Sleep Time window.
Changes made from version 6.30 to 7.10:
- Added support for Connect IQ 1.4.1 SDK. See the Connect IQ 1.4.1 SDK for a list of new features.
Changes made from version 6.20 to 6.30:
- Fixed an issue that prevented VO2 Max and performance condition from updating.
Changes made from version 5.40 to 6.20:
- Added support for automatically starting a LiveTrack session at the beginning of an activity if that setting is enabled in Garmin Connect Mobile.
- Connect IQ fixes and improvements.
- Fixed a rare issue in which the GPS position was not recorded correctly.
Changes made from version 5.20 to 5.40:
- Refresh Connect IQ watchfaces as soon as they're updated by a phone app.
- Fixed an issue that caused unstable outdoor running pace in some cases.
Changes made from version 4.70 to 5.20:
- Added support for Connect IQ 1.3.0 SDK. See the Connect IQ 1.3.0 SDK for a list of new features.
- Added support for broadcasting optical heart rate over ANT to other devices during an activity.
- Added support for phone apps to subscribe for more frequent data updates.
- Added support for Apple Media Service - users can now control any active music player, e.g. Spotify, as well as volume (requires iOS 8.0 and higher).
- Fixed an issue in which text on some Connect IQ watch faces may not display correctly.
- Several improvements to optical heart rate.
- Various bug fixes and stability improvements.
Changes made from version 4.60 to 4.70:
- Added support for using a footpod as the speed source while running with a GPS fix.
- Improved Audio Prompt reliability.
- Fixed an issue in which yesterday's resting heart rate may not be shown on the resting heart rate graph.
Changes made from version 4.30 to 4.60:
- Improved the reliability of Bluetooth smartphone connections.
- Fixed an issue in which VO2 Max was not being uploaded to Garmin Connect.
Changes made from version 4.20 to 4.30:
- Added support for Connect IQ 1.2.6.
- Added support for searching for sensors manually.
- Improved the battery performance when used at sub-freezing temperatures.
Changes made from version 4.10 to 4.20:
- Improved Bluetooth reliability when paired with a smartphone.
- Improved the 4 hour heart rate plot widget.
- Notification and message banners are now displayed silently even when Do Not Disturb is active.
- Corrected the order of the default training pages.
- Fixed a bug that could cause a cadence goal during a workout to be incorrect.
- Fixed a bug that could sometimes cause the 'error' tone to play in place of the normal key tone.
- Fixed a bug that caused the listed weeks within Totals -> Weekly to appear selectable when it is not.
- Fixed a bug that allowed a user profile to be set taller than 8'4' or 254cm.
- Fixed a bug that caused Auto Laps to collide with workouts steps.
- Includes various bug fixes and stability improvements.
Changes made from version 3.30 to 4.10:
- Added support for speed/pace and heart rate audio prompts.
- Added support to download stored heart rate data from compatible straps (HRM-Tri and HRM-Swim).
- Fixed pace alerts in workouts.
- Includes various bug fixes and stability improvements.
Changes made from version 3.20 to 3.30:
- Improved pace accuracy.
- Fixed issues with pace and distance for indoor activities.
- Improves step and stride length calculations.
- Fixed an issue with estimated time to finish for indoor activities.
- Fixed an issue where some Activity Profiles weren't visible after a Software Update.
- Includes various bug fixes and stability improvements.
Changes made from version 3.10 to 3.20:
- Improved how activity profiles are selected. The activity profile can now be changed by pressing the up key on the home page and the menu can be accessed by pressing the down key.
- Various Connect IQ improvements.
- Various stability improvements.
- Other fixes and improvements.
Changes made from version 2.40 to 3.10:
- Adds support for Connect IQ 1.2.
- Fixes infrequent DST time offset issue.
- Improves Optical Heart Rate behavior.
- Includes various bug fixes and stability improvements.