iPhone
X and iPhone 8 users are finding it difficult to connect to WIFI network with iOS 12. Ever since
upgraded to some iOS12 devices couldn't join any WPA2 Enterprise
network. The iPhone is not able to connect to the WIFI with WPA2 enterprise and
when tried to make a connection with network it fails with a error message “It
is not possible to connect xxxxx”. And the connection fails at that
moment to establish.
Many iPhone
X/8 users are reporting that the WIFI connection fail is happening after iOS 12
upgrade and all iPhone X/8 won’t connect to WPA2 WIFI network. But the issue cannot
relate to iOS 12 as the other iPhones like iPhone 6/7 connects find to same
WIFI network with WPA 2 settings. This is very strange that with same WIFI
network iPhone 6/iOS 12, iPad Air 2 with iOS 12 connects but iPhone
X/iOS 12 fails to connect to WIFI (WPA2) and says it is not possible to connect
to WIFI network. On iPhone 6, iPad when joined the network on the first
attempt, the certificate popped out during the login, after accepting it WIFI
worked. On iPhone X, 8 Plus, the
certificate popup doesn't show.
Even
after doing a lots of restart, hard reset, clean iOS 12 install, network reset iPhone
X is unable to join corporate WPA2 Enterprise network after iOS 12 upgrade.
How to fix iPhone X unable to connect to WPA2 WIFI network:
After
contacting Apple about the issue the Apple support seems to be aware of the
issue and they suggested telling the client to change/update the certificates.
Please Contact IT of your company to get certificate updated.
The certificate
has to be At minimum an RSA 2048 bit key with a SHA-256 signature. Oldest
certificates like MD5, Apple will no more work with them because they are not
secure.
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