Actually why will you want to off your wifi when your phone sleep? Do you want the notifications not to come in ? Then use DND.
If battery concern then no need to concern cos wifi doesn’t eat a lot of battery
Or is it security concern?
If battery concern then no need to concern cos wifi doesn’t eat a lot of battery
Or is it security concern?
Wi-Fi Off when Phone sleep
Sent from Amazon using GAGT

mobile data is off. 