With certain cellular providers there have occasionally been issues where the wi-fi icon will not show up even though you are connected to a wireless network.. Experiencing wi-fi issues on the iphone 6 is something that many users faced with. some of the possible issues are: wifi cannot detect wifi hotspot and keep searching continuously. can find wifi hotspot, but cannot connect to it.. A grayed-out wi-fi button can affect any model of iphone, including the iphone 4, iphone 5, and iphone 6 as well as the iphone 7, iphone 8, or iphone x, even though none of these versions have a headphone jack..
A common problem in the iphone 4s, sometimes the wi-fi button will be grayed out and unclickable. this problem seems to be related to thermal shock — the problem may be temporarily fixed by simply putting the phone in the refrigerator for 15 minutes, or under a lamp for 30 minutes.. In theory, wireless connections and cellular networks should live happily in harmony on your iphone or ipad. your device uses automatic switching technology to pop you on known wi-fi networks and send you back to cellular when you're out of range, and it works great... most of the time..