GARMIN Varia RearVue 820 v6.70 // MyBikeRadar Traffic v3.0

Why It Matters

The update restores important safety and data-logging features for thousands of cyclists using the Varia 820, but Garmin’s limited Connect IQ access to secure Bluetooth undermines developer functionality and creates a clunky user experience that could hurt adoption and third-party innovation.

Summary

Garmin has released firmware v6.70 for its Varia Rearview 820 radar/light, addressing radar algorithm issues, reducing false high-threat alerts, and updating STVO failure logic. The Connect IQ app My Bike Radar Traffic has been updated to v3.0 to work with the 820 over secure Bluetooth, but setup requires a workaround because Connect IQ cannot directly access secure Bluetooth sensor data. The workaround uses an ANT+ channel created by the data field to pull radar information, and users must update firmware, pair the device, enable the new secure-Bluetooth toggle in the app, and ensure the field is active to record data. While the solution works and delivers vehicle counts, speeds and detection locations, some lane-detection and false-positive issues remain and the configuration is complicated for average users.

Original Description

Garmin’s Varia RearVUE 820 gets firmware 6.70 and MyBikeRadarTraffic has been updated to work with the Varia 820 when paired over Secure Bluetooth, allowing Edge users to display and record vehicle counts, approach speeds, and detection locations.

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Links:

ConnectIQ Mobile App IOS: https://apple.co/3sAkfcb

ConnectIQ Mobile App Android: https://bit.ly/349Tj9H

MyBikeTraffic Official Website: https://bit.ly/3Ad9tLA

MyBikeRadarTraffic ConnectIQ: https://bit.ly/3dH8ifL

Video Index:

0:00 Intro

0:42 Firmware 6.70 Details

1:00 Firmware Process

1:11 MyBikeRadarTraffic v3.0

4:15 Road Test

6:13 Commentary

7:11 Wrap

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#Cycling​ #Radar #Garmin