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Troubleshooting Connectivity

Complete these four steps in order for iPhone. The device article below explains each setting path in detail.

Step 1

Select the travel eSIM and set APN

Open iPhone Mobile Data settings, choose the travel eSIM, and set Cellular Data APN to data00.telnyx.

Mobile Data

iPhone

Step 2

Set Data Roaming

Open Settings > Mobile Service or Cellular > your travel eSIM > 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

Choose a network manually

Open Settings > Mobile Service or Cellular > your travel eSIM > Network Selection, turn automatic selection off, pick an available local network, and test data.

Network Selection

Automatic

Local network 1
Local network 2

Step 4

Restart the phone

Hold the side button and a volume button, slide to power off, wait 30 seconds, then turn the iPhone back on. Then test a simple website before opening data-heavy apps.

restart device

AirplaneWait 30sPower on
Setup Guide/Articles/Apple
AppleInstall4 min

How to install an eSIM on an iPhone

Install your travel eSIM on a iPhone using a QR code or manual activation details, then leave the line ready for arrival.

01

Before you start

A iPhone needs a steady Wi-Fi connection to download the eSIM profile. Turn off VPNs, content blockers, and hotspot-only Wi-Fi while installing.

  • Open the order email on a second device, tablet, laptop, or printed page.
  • Keep your phone charged and connected to Wi-Fi.
  • Use the phone settings app rather than a third-party QR scanner.

02

Install the eSIM

  1. 01Open Settings > Mobile Service or Cellular > Add eSIM > Use QR Code.
  2. 02Choose the option to scan the QR code from a second screen or enter the manual details from your order email.
  3. 03If iOS shows Convert to eSIM, Transfer from Nearby iPhone, or Carrier Activation, skip those and choose Use QR Code.
  4. 04Wait for the phone to download and add the mobile plan.
  5. 05Name the line something obvious, such as Travel, and keep your primary SIM labelled separately.
  6. 06Leave the eSIM turned off for mobile data until you are ready to use the destination plan.

If your iPhone says the eSIM is activating before you travel, leave it installed. Some plans finish activation only after the phone reaches the destination network.

03

Set it up for travel

  1. 01When you arrive, open Settings > Mobile Service or Cellular > Mobile Data and choose Travel, Secondary, Business, Personal, or the plan label shown on your phone for mobile data.
  2. 02Open Settings > Mobile Service or Cellular > your travel eSIM > Cellular Data Network. Set Cellular Data APN to data00.telnyx for the travel eSIM.
  3. 03Open Settings > Mobile Service or Cellular > your travel eSIM > Data Roaming. Set data roaming to OFF in the United States, and ON in every other country.
  4. 04Turn airplane mode on for 30 seconds, then turn it off to force a fresh network registration.

04

If the QR code will not install

  • Check that the eSIM is not already listed in your SIM settings.
  • Use manual activation details if the camera scan fails.
  • Try another Wi-Fi network if the download hangs.
  • Contact support before deleting anything from the phone.

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