Keep getting incorrect password on wifi. Works all other devices. I tried resetting modem, changing SSID and password, reset network settings, resetting iPhone to factory default, and going closer to the modem etc. All out of ideas. Turned flight mode on and off, disabled wifi assist, forgot network and turned off bluetooth as well. Cellular data still works.
iPhone 6s
Then it's most likely a hardware problem. You have done all of the standard troubleshooting steps. Make a Genius Bar appointment to have it checked out-->Genius Bar Reservation and Apple Support Options - Apple
Is this problem with all Wi-Fi networks, or just your home network? If you go to MacDonalds or Starbucks (or similar) does the Wi-Fi work?
I've tried it doesn't connect. Unable to join network or incorrect password as well on other wifi networks.
Took it back to the store and had it sent away for repairs. And they said it worked fine and it's still the same problem. Doesn't connect to any network.
(iPhone 6s iOS 12) Unable to connect to Wifi network tried the following
