Hi, in my network one iphone is hiding. It's my son's - and I want to use the parental control. How does he do this and how can I fix it?! When he is on the wifi, I cannot see the phone. It used to wo

Hi, we use the deco's in our home and in the app I have parental control on the ise of xbox, phones, laptopa and all. since one week, I cannot see if my son is on the Xbox anymore. it doesn't show up