After the iPhone reboots, sometimes the WiFi comes back Sometimes But when that doesn't work, there's one trick that always does I power off my iPhone Put it in a Ziploc bag And put the bag on the top shelf in the freezer About an hour or two later, I take it out and let it sit at room temperature for about minutes Then power it on I have an iPhone 4S which is currently running iOS 613 Last night I connected to my home wifi network and it connected but disconnected after 5 mins I tried to connect again but it kept searching and no network was shown I checked my iPad and laptop and they were connecting fine I factory restored my iPhone from settings and set it up again as new iPhone One fix is to turn off your iPhone and seal it in a plastic bag, squeezing out all of the air The iPhone is then placed in the freezer for 15 minutes When the iPhone is turned back on, some users are able to use WiFi again For most, this is a
Iphone 4s Wifi Greyed Out Freezer Trick