Troubleshooting How to upload Avent thermometer data to the uGrow App? Philips Avent uGrow App is designed to help you through your parenting journey with connected devices. Find out how to pair your smart thermometer with the app. Step-by-step instructions Press the + sign in the bottom right-hand corner of your screen and select the thermometer icon. After this, you select the thermometer tab if you wish to sync your thermometer data. Make sure your thermometer is switched on. The screen will show you the measurements that are available for upload. You can select which ones you'd like to add and then press OK to begin uploading. Be aware that non-selected data will be deleted.