1. Log in to Collector. 2. Download a web map(s) of interest. 3. Enable Airplane mode on the device (and make sure to disable Wi-Fi). 4. Enable Bluetooth to connect to an external GNSS receptor if applicable. 5. Ensure Airplane mode is never disabled (and Wi-Fi never enabled) while in the field. 6. Ensure the app is never completely closed as this will result in an automatic log out.