How to switch from 5G to LTE/4G for a more stable connection

Short answer: LTE/4G can sometimes be more stable than 5G while traveling.

iPhone

1. Open Settings > Cellular or Mobile Service.
2. Select the eSIM label used for 4S.
3. Open Voice & Data.
4. Select LTE or 4G.

Android

1. Open mobile network settings.
2. Select the eSIM label used for 4S.
3. Open preferred network type.
4. Select LTE/4G if available.

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.