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"Could not communicate with the server" error when signing in to an Apple account

Hi everyone,


I am trying to sign in to my Korean Apple Account (iCloud) on my iPhone while in Canada, but I am repeatedly encountering server errors and unable to complete the sign-in process.


Current Situation:

1. Apple Account Region: South Korea

2. Current Location: Canada

3. Device / OS: iPhone / iOS 27.0

4. Issue: When trying to sign in to iCloud under iOS Settings, entering my email and password triggers two error messages in sequence:

  • "Could not communicate with the server"
  • "Could Not Sign In"


Key Observations:

1. I CAN successfully sign in with this account on the App Store.

2. I CAN successfully sign in via web browser at account.apple.com.

3. The issue ONLY occurs when signing in to iCloud in iOS Settings.


Troubleshooting Already Attempted:

1. Tested on both cellular data and multiple different Wi-Fi networks

2. Verified "Set Automatically" is turned ON for Date & Time settings

3. Confirmed no VPNs or proxy configurations are active

4. Restarted the iPhone multiple times

5. Updated to the latest iOS version (iOS 27.0)


Could anyone advise on what might be causing this issue or suggest additional settings/steps to resolve it?


Thank you in advance for your help!

1 reply

For additional context,

I previously posted about this issue on the Korean Apple Support Community.


Since none of the suggested troubleshooting steps resolved the issue,

community member advised me to reach out to Apple Support here in Canada.


Korean Community Thread:

Apple 계정 로그인시 "서버와 통신… - Apple 커뮤니티