If there’s a software problem with your iPhone’s Wi-Fi settings, resetting network settings will usually fix it. Go to Settings -> General -> Reset and tap Reset Network Settings. Then, tap Reset Network Settings again to confirm. Your iPhone will shut down, reset its network settings, and turn back on.

Why does my iPhone automatically disconnect from WiFi?

The WiFi disconnects whenever the iPhone is locked, even if it is plugged into a power source. … First of all, head to Settings > Wi-Fi, forget this network and then join again. When joined, tap info of your network and make sure that Auto-Login is on. Then you could try to disable Wi-Fi networking services.

Why do I keep getting disconnected from my WiFi?

There are multiple reasons why your Internet connection randomly disconnects. When it comes to connecting to the Internet via WiFi, here are some common causes: WiFi hotspot strength is insufficient – you may be near the edge of the WiFi network. … WiFi adapter outdated drivers or wireless router outdated firmware.