A powerful smart iPhone like the iPhone 12 should have problems connecting to your Wi-Fi network and not connecting to wifi after iOS update, that’s why when a problem like that occurs there is always a possibility that is an issue with your network device. However you have to Troubleshoot your devices to be able to know the reason why it occurs. Here’s what you should do.
The first thing you have to do is to refresh the memory of your router and your iPhone. There’s always the possibility that it’s just due a pretty minor glitch in the systems of your devices. Here how you do it.
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Forget the network and reconnect to it. If restarting your router and iPhone cannot fix the problem then the next thing you have to do is to re-establish the connection between them. Basically what you need to do is delete the current connection and let your iPhone reconnect to the network here how you do that.
Most of the time this solution will fix problems like this. However if the issue persists then move on to the next solution.
After doing the two solutions, your iPhone 12 is still not able to connect. Then it’s time to reset the network services. Doing so will bring the network Settings back to their default configuration. It’s also one of the effective solutions to this problem.
At this point if the problem is still not fixed. Then you have to do the next is Factory Reset. A reset will be able to fix an issue like this. However make sure to backup important files and datas they will be deleted. Once you are ready for the steps to reset your phone.
After performing resetting your router/modem and restarting your iPhone and by resetting your network settings you should be able to connect to your Wi- Fi now and the issue of your iPhone 12 not connecting to WIFI will be fixed.
You need to reset your network settings, restart your router / modem and perform soft reset your router and modem and restart your iPhone to fix iPhone 12 WIFI connecting issues.