To activate the «Black list» feature, go to Personal Area – Wi-Fi Hotspots – Select the hotspot you want (Edit Hotspot) – Additional features.
Activate the «Black list» and click Save.
To block certain users or devices, add them to the «Black list»
Go to Settings – Black list.
Enter MAC addresses in the format XX:XX:XX:XX:XX:XX or XX-XX-XX-XX-XX-XX. For phone numbers, enter the last 10 digits. Each entry is entered in a new line.
Don’t forget to click Save
Now, when the specified device or phone number tries to get authorized, the authorization page will display the message «Access closed» and there will be no Internet access.