Facetime & iMessage pop up

[logib]

I keep getting the pop up below every other day, running iOS 11.02, any ideas/solutions welcome, Thanks.

[Tash]

Hi @logib, please try the following steps to help with this:

• Switch off your phone and take out your SIM card
• Turn the phone back on with the SIM removed
• Then switch your phone back off and reinsert your SIM
• Restart your phone

If you're continuing to see this message after completing this, please reset your network settings by selecting Settings -> General -> Reset -> Reset Network Settings.

Please let us know how you get on.