Using International Phone Data

How to Turn on Data Roaming
1. Go to Settings > Turn on Cellular Data, then tap Cellular Data Options, and turn on Data Roaming and other settings suggested by your carrier.

Software Update

Make sure your device has the most recent software updates to ensure you have the latest features.

Go to Device Support.
Select or change the selected device brand and model.
Scroll to More Device Help.
Select Software updates if you see it. It only displays if there’s an available update for your device.
Repeat the steps to check for software updates for a different device.

If you have roaming issues during international travel

1. Most international service issues can be solved by turning your phone off for one minute and then back on.
2. If the date and time are wrong after you arrive, go to Settings > General > Date & Time. Make sure that Set Automatically is turned on.
3. Turn on Airplane Mode for about 30 seconds. Then turn it off again and let your iPhone automatically select the best network.
4. If you see No Service or SOS only in the status bar of your iPhone, open Settings and tap Cellular or Cellular Data. Then:
  - If your device has a single SIM card or eSIM, turn on Cellular Data, then tap Cellular Data Options, and make sure Data Roaming is on.
  - If your device uses Dual SIM or Dual eSIM, turn on Cellular Data, tap the number you want to modify, then tap Cellular Data Options, and make sure Data Roaming is on.
5. If you still need help, try a different SIM card or contact your carrier for more information.