There's nothing to fix. If the phone is not plugged into an external power source, the WiFi radio will power down when the phone is in standby. If it didn't your battery would never make it through the day.
It’s been a year using I’m using iPhone 7. Suddenly from couple of days when my phone screen lock my wifi get disconnected from my phone automatically now I don’t k how to fix it😢
2 replies
Every iPhone since the first in 2007 has disconnected Wi-Fi 30 seconds after the screen locks, unless the phone is connected to power. There is nothing to fix. This is by design, to save battery life, because Wi-Fi uses power continuously when on, whether it is being used or not.
how to get rid lf diconection of wifi when ur phone lock