No, if you download the FreeStyle Libre 3 app* on a new phone or uninstall then reinstall the app, your data will no longer be visible on the app. However, if you sign into LibreView† with the same log-in credentials as previously used with the app, then your data will be available in LibreView.
* The FreeStyle Libre 3 app is only compatible with certain mobile devices and operating systems. Please check our compatibility guide for more information about device compatibility before using the app.
† The LibreView data management software is intended for use by both patients and healthcare professionals to assist people with diabetes and their healthcare professionals in the review analysis and evaluation of historical glucose meter data to support effective diabetes management. The LibreView software is not intended to provide treatment decisions or to be used as a substitute for professional healthcare advice.