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Updating your O2 network carrier settings on iPhone 5c and iPhone 5s

To get started, you'll need to follow the steps below before you can use the O2 network for things like browsing the web or sending and receiving text messages.

Using iTunes

  1. Put your sim into iPhone.
  2. Connect iPhone to your Mac or PC using the USB cable provided. iTunes will open automatically. Make sure you're connected to the internet.
  3. A window will automatically pop up, asking to install carrier update settings. Click 'Update settings'.
  4. You'll get on-screen confirmation that your settings have been updated successfully. Then you're ready to go.

Over wifi

  1. Put your sim into iPhone.
  2. Turn on iPhone and follow the onscreen instructions to activate and set it up.
  3. After you've activated your iPhone, tap Settings > General > About.
  4. You'll automatically be asked to update your carrier settings. Tap 'Update'. Then you're ready to go.