To get location updates make sure below things are done at your child device
1. Location permission must be granted to SafeMinor application.
2. Location service must be enabled.
3. Child's device should be connected to the internet.
By default app will only update location, if your child's device moved by 1 km.
You can reduce this distance from settings. Open Parent App - Go to app settings - GPS - GPS Distance Interval - Change it.