If you want to keep someone from using your hotspot on your iPhone, there are a few things you can do. First, go to Settings > Wi-Fi and tap the toggle next to the person’s name. If they have been blocked before, their name will appear in red and they will have a warning message next to their name. If they haven’t been blocked before, their name will appear in blue and there won’t be a warning message. You can unblock someone at any time by going back to Settings > Wi-Fi and tapping on the person’s name again. ..
