Follow below steps on device which you want to monitor.
1. To upgrade app, go to play store and update app.
2. To reinstall app, first uninstall it from mobile and install it from play store.
2. Login to SafeMinor application using same account detail.
For more information refer user guide:
Please read Terms and Conditions from "https://cp.safeminor.com/sf/legal-info.html" before using service.