For iPhone users, please note that you may be charged by Apple for activation request# sent to Apple Servers (in UK) each time you:
- Turn on/off iMessage function
- Turn on/off FaceTime function
- Insert SIM card into iPhone (Removing and re-inserting will also trigger activation request for iMessage)
#Activation request is sent via international SMS @$0.15 to Apple Servers; including but not limited to the following UK numbers.
For more details, you may check out the dedicated Apple Support Platform here!