You can follow up the guide below to set up the alarm notification:
1) Login your DVR / POE NVR / Wireless NVR system and then right-click and select Main Menu > Setup > Alarm > Motion.
2) The "Enable" boxes need to be filled here for the cameras to detect motion.
3) Once the motion detection is enabled on the DVR / nvr system, log in to Zosi Smart APP.
4) Enter device list, select the three horizontal dots in the top-right of the device selection panel, and then select "Setting"
5) Enable the "Alert Push Notification".
Note: you need to go to your mobile phone's settings to allow Zosi Smart app to push notifications to your phone.