How can I update my mobile number and iMessage on iPhone?
If you've just transferred your number to UW and have an iPhone, you may need to update your iPhone number and iMessage in your device settings. Follow the steps below:
To update your iPhone number:
Go to Settings > Phone > My Number
You’ll see your old temporary number which came with your SIM. Replace it with the number your transferring.
Use +44 instead of the first 0.
Tap Save.
To update iMessage:
Go to Settings > Messages.
Tap iMessage to On.
Scroll down to ‘Send & Receive.’
Check the right number has been ticked.
If you’re having any issues, go to Settings > General > Reset > Reset Network Settings.