Use Garmin Express to update maps and software, sync with Garmin Connect and register your device. This desktop software notifies you when updates are available and helps you install them.
anchor apple generic and identifier "com.garmin.renu.client" and (certificate leaf[field.1.2.840.113635.100.6.1.9] /* exists */ or certificate 1[field.1.2.840.113635.100.6.2.6] /* exists */ and certificate leaf[field.1.2.840.113635.100.6.1.13] /* exists */ and certificate leaf[subject.OU] = "72ES32VZUA")