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Troubleshooting Connectivity

Complete these four steps in order. Device articles below explain the exact paths for iPhone, Samsung, Pixel, and Motorola.

Step 1

Select the travel eSIM for data

Choose the travel eSIM for mobile data and make sure the line is turned on. No manual APN setup is needed.

Mobile Data

Travel eSIM

APN settings

Automatic. No manual setup needed.

Step 2

Set Data Roaming

United States: keep Data Roaming off. All other countries: turn Data Roaming on.

United States

Roaming OFF

All other countries

Roaming ON

Step 3

Turn automatic network selection on

Turn Automatic Network Selection on. Only choose a network manually if automatic selection fails to connect.

Network Selection

Automatic ON

Use manual selection only if automatic selection fails to connect.

Step 4

Restart the phone

Power off or restart the device, wait for the SIM settings to reload, then test a simple website before opening data-heavy apps.

restart device

AirplaneWait 30sPower on

No manual APN setup needed

APN settings are automatic. Do not manually enter data00.telnyx; it is no longer needed and can cause service instability.

Back to help

All help articles.

Start with your phone family, then pick install, connection, or network selection. Keep automatic network selection on and use manual selection only if it fails. The device sections below carry the exact settings names for each brand.

Browse by device

Phone-first guides.

Each brand group keeps the three common jobs together: install the eSIM, fix data, and change networks.