To enable 4G LTE on your iPhone or iPad with Roam Mobility, please follow the instruction below to enable the service
1. Go to Settings
2. Go to Cellular
3. Ensure that the Enable LTE switch is on
If the feature is not available on your iPhone 5/5c/5s device, we recommend that you contact Apple customer service to troubleshoot and resolve the issue.
You can do this by visiting this Apple Support Article or visit your local Apple Store or Apple Authorized retailer.
If you have any further questions with other issues, please contact our care team via email or phone so we can ensure you have a great experience with our service.