![]() To communicate with a WiFi network, a device must identify itself to the network using a unique network address: media access control (MAC) address. To further protect your privacy, iPhone, iPad, iPod touch or Apple Watch can use a different MAC address with each Wi-Fi network. This information about private/randomized WiFi MAC addresses was provided by Apple for their iOS 14 release: ![]() It stays consistent per SSID (per a particular network) on Android devices until they are reset or, as some users report, until the device is restarted. Your device should continue using randomised addresses in other networks.Īccording to iOS and Android descriptions, on iDevices the randomised MAC address changes when the user 'forgets' the network, and every 24 hours if there is no active traffic-passing session at that moment. This change will only affect that particular network. On iPhone/iPad, open Settings, then WiFi, tap the information 'i' icon next to your network, and then toggle "Use Private Address" off. Select Advanced - Privacy and tap "Use device MAC". To turn this off on your Android phone, go to its WiFi settings and tap the gear icon next to the current network. So in your Samsung Galaxy phones the MAC address is by default randomised and this address is used instead of the device MAC address. Both iOS and Android devices randomise their MAC addresses for privacy reasons. ![]() It looks like in your case the device randomly changes its MAC address, which is common for mobile phones. If WiFi Guard has detected a device, it means the device is connected already.
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