Troubleshooting I can't upload thermometer readings to my uGrow app The Philips Avent smart ear thermometer stores your temperature readings directly to the uGrow app. If you are experiencing any difficulties, we are here to help. Pair with the Philips Avent uGrow app Please make sure that you did pair the thermometer with the app (see ‘Preparing for use’ chapter in the user manual). The Bluetooth connection of your mobile device might have been lost Make sure the Bluetooth connection on your mobile device is switched on. The thermometer was switched off before the data was transmitted Open the app and switch on the thermometer. The measurement results will be automatically transmitted to your mobile device.