Where did wifi go on iphone 4s?

Question

iPhone

Not immediately after updating to 8ios, it became impossible to connect to wireless Internet, I tried to reflash via dfu a couple of times, using other tips on the Internet, I even heated it with a hairdryer, but it helped for a couple of minutes and the wifi button turned gray again. I heard that many people had this problem, did anyone manage to solve it?

Answer 1

yes, this is a 4s disease, you can solve it only by removing the back cover and warming up the wi-fi module well with a carpentry hair dryer, then press it with something and screw the cover back on. :)

Answer 2

Jobs took it with him :)

Answer 3

Go there, they say about the hair dryer and 4s, in pictures and details.