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Level 1

18 points

Can't connect to 5GHz Wifi

Hello everyone,

I'm using Iphone 6 plus, 128G but after upgrading to IOS 11.3 i can no longer find the 5GHz wifi and can only connect to 2.4GHz wifi. I observed also that when browsing at wifi 2.4GHz I experience some lag and slow to open pictures and movies even I'm using 20mbps wifi bandwith. I did try restore my Iphone to new device, (erase all data reset to factory setting) yet there no 5GHz wifi.I don't have experience like this when I'm using IOS 9.3.5. Please help. Thank you so much.

iPhone 6 Plus, iOS 11.3

Posted on Apr 21, 2018 9:03 PM

Best reply

Lyssa

Level 8

41,327 points

Posted on May 2, 2018 5:41 PM

My 5s can connect to 5GHz networks just fine, so your 6 should also. I'm on 11.3.1.

You could try resetting your network settings - whenever I have odd internet behavior, that's something I try. You will have to re-enter any wifi passwords.

"Go to Settings > General > Reset > Reset Network Settings. This also resets Wi-Fi networks and passwords, cellular settings, and VPN and APN settings that you've used before."

That quoted bit is from the article below.

If you see No Service or Searching on your iPhone or iPad - Apple Support

~Lyssa

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Can't connect to 5GHz Wifi

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