How to fix no internet on Samsung phones

Short answer: on Samsung, check SIM manager, roaming, and APN.

Steps

1. Open Settings > Connections > SIM manager.
2. Select the label used for your 4S eSIM as mobile data.
3. Open Mobile networks and turn on data roaming.
4. Open Access Point Names.
5. If the APN list is empty, add a new APN. Enter the 4S APN exactly; Name can be anything recognizable.
6. Save the APN and select it.

Need help?

Contact 4S support through support@4s.net, a Zendesk support ticket, or Zendesk live chat. Do not reply to hi@4s.net; it is an automatic order and installation email sender.

When contacting support, include your order email, ICCID if available, destination, phone model, and screenshots of the error or SIM/eSIM settings page.