How to Restore / Reset a Garmin Nuvi GPS to Factory Settings (Both Methods) - YouTube
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Restarting The Device; Resetting All Default Settings; Updating The Software Using The Connect App; Updating The Software Using Express - Garmin FORERUNNER 945 LTE Owner's Manual [Page 110] | ManualsLib
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How To Restore Garmin GPS / Reset a Garmin Nuvi gps to Factory settings - YouTube