RoamRuler
Signal but no internet

Travel eSIM not working? Fix it in the right order

Most arrival failures come from the selected data line, roaming, activation status, APN or network registration. Change one setting at a time and keep the profile installed.

The five-minute arrival sequence

  1. Confirm the eSIM line is switched on and has a label you recognise.
  2. Select it as the mobile-data line and disable automatic data switching.
  3. Enable data roaming on the travel eSIM if the provider requires it.
  4. Turn airplane mode on for 15 seconds, then off.
  5. Check the provider account for “active”, remaining data and validity.
  6. Restart the phone if registration still fails.
Do not delete the eSIM as an early troubleshooting step. Some QR codes can be installed only once. Removing the profile can turn a settings problem into a replacement request.

Bars but no data

Signal bars show radio registration, not a working internet session. Compare the APN shown in cellular settings with the provider’s installation email. Enter the APN exactly; leave username and password blank unless instructed. Disable a VPN, custom DNS or content filter temporarily, then test a plain website.

No service

Set network selection to automatic first. If the phone does not register after several minutes, use manual selection and try only networks listed by the eSIM provider. An unsupported network can show briefly but reject data. Return to automatic selection after the test.

Common symptoms and next checks

SymptomLikely areaNext check
LTE/5G but pages failAPN, VPN or data lineVerify APN and disable VPN
No ServiceCoverage or registrationAutomatic, then approved manual network
PDP authentication failedAPN or account provisioningRe-enter APN and contact provider
Works only on Wi-FiTravel line not selectedChoose eSIM for cellular data
Hotspot has no internetTethering policy or APNConfirm hotspot support and APN

What support needs from you

Send the order number, destination, phone model, current location, error wording, eSIM status, selected network and screenshots of cellular settings with personal identifiers hidden. State which steps you already tried. This is more useful than reinstalling repeatedly.

Prepare before leaving Wi-Fi

Save the provider instructions, QR code, manual activation values and this page offline. Download maps and transport tickets. If the trip depends on connectivity, keep a small home-carrier roaming allowance or a second eSIM option as a fallback.

Continue planning

Check when plan validity starts, learn how to preserve WhatsApp and bank OTPs, or return to the eSIM comparison.