Why is my ADT app not working?
You can try closing the app and any other applications running in the background and then try it again. Sometimes, the ADT pulse app is just having a really bad time loading up and might just need to be reloaded. You might have to do a hard reboot of your whole phone.
How do I log into my ADT app?
Apps & Mobile FAQs
Then use the personal login information that was provided to you at your installation. From your mobile phone, launch your browser and go to https://mobile.adtpulse.com. Then use your login credentials to access your system.