Quick answer
Why is my eSIM data not working?
Most travel eSIM data problems come from settings, not the eSIM itself. Check that the travel eSIM is installed and turned on, selected as the mobile data line, mobile data is enabled, and data roaming is turned on for the travel eSIM only if your plan instructions require it. Also check airplane mode, signal, carrier lock status, APN instructions if provided, and restart the phone before contacting support.
Do not delete the eSIM while troubleshooting unless support tells you to. Some eSIM profiles can only be installed once.
Troubleshooting snapshot
- First checkAirplane mode off, travel eSIM on
- Data lineTravel eSIM selected for mobile data
- RoamingTravel eSIM only if required
What to avoid
- Deleting a one-time eSIM profile
- Guessing APN settings
- Turning on home SIM roaming by mistake
Start here: 8 checks before contacting support
Walk through these checks in order. Most travel eSIM data issues are settings problems, not the eSIM itself.
- Turn airplane mode off.
- Confirm the travel eSIM is installed.
- Confirm the travel eSIM is turned on.
- Select the travel eSIM for mobile data.
- Turn mobile data on.
- Turn data roaming on for the travel eSIM only if your plan instructions require it.
- Restart the phone or toggle airplane mode for 20–30 seconds.
- Move to a place with better signal and test again.
Fast checks
Confirm each of these before contacting support
eSIM installed
Appears in SIM / eSIM settings
Travel eSIM turned on
Line switch or Turn On This Line is on
Travel eSIM selected for data
Mobile data line = travel eSIM
Mobile data on
System mobile data toggle enabled
Roaming checked
On for travel eSIM only if required
Restart / airplane mode toggle
Re-register on the network
Do not delete the eSIM
Do not delete the eSIM while troubleshooting. Keep your QR code, activation link, and manual details available until the issue is resolved.
Fix eSIM data not working on iPhone
Some iPhones show Mobile Service, while others show Cellular or Mobile Data. These labels all point to the same iPhone settings area for SIMs, eSIMs, mobile plans, and mobile data.
- Open Settings → Mobile Service, Cellular, or Mobile Data.
- Confirm the travel eSIM appears in the list.
- Tap the travel eSIM and confirm Turn On This Line is on.
- Open Mobile Data or Cellular Data.
- Choose the travel eSIM.
- Open the travel eSIM line and check Data Roaming only if required by your plan instructions.
- Keep home SIM data roaming off if avoiding home-carrier charges.
- Restart the iPhone.
- Test Safari, Maps, WhatsApp, or another internet app.
iPhone · Mobile Data selection
Settings → Mobile Service / Cellular / Mobile Data → Mobile Data / Cellular Data
Cellular Data
Home SIM
Calls · SMS · Verification codes
Travel eSIM
eSIMbundle · Mobile data
Choose the travel eSIM for mobile data.
If mobile data still does not work after these steps, move to the No Service or SOS section below.
Fix eSIM data not working on Android
Android labels vary by brand, Android version, region, and carrier. The steps below use the two clearest paths — Pixel and Samsung Galaxy.
- Pixel: Settings → Network & internet → SIMs
- Samsung: Settings → Connections → SIM card manager
- Confirm the travel eSIM appears in your SIM settings.
- Confirm the travel eSIM is turned on.
- Select the travel eSIM for mobile data.
- Turn mobile data on.
- Turn data roaming on for the travel eSIM only if required.
- Restart the phone.
- Test Chrome, Maps, WhatsApp, or another internet app.
Android · Mobile data selection
Pixel: Network & internet → SIMs → Mobile data · Samsung: SIM card manager → Mobile data
Mobile data
Home SIM
Calls · SMS · Verification codes
Travel eSIM
eSIMbundle · Mobile data
Choose the travel eSIM for mobile data.
If your phone is not a Pixel or Samsung Galaxy, look for SIMs, SIM manager, Mobile network, Network & internet, Connections, or Cellular data.
If your phone says No Service or SOS
No Service or SOS usually means the phone cannot register on any network. Common causes include:
- You are out of coverage for the travel eSIM's supported networks.
- The wrong data line is selected.
- The travel eSIM is not turned on.
- The phone is carrier-locked to a provider that blocks other SIMs.
- The device model or region is not supported by the plan.
- The plan is not valid for the destination you are in.
- The phone made a temporary network selection error.
Try these fixes in order
- Move to a location with better outdoor signal, ideally near a window or outside a building.
- Restart the phone.
- Toggle airplane mode for 20–30 seconds.
- Set network selection to Automatic in mobile network settings.
- Confirm the plan is valid for your current destination.
- Contact support with your order and device details if there is still no service.
No mobile network can be guaranteed everywhere. Coverage depends on local networks, buildings, and terrain.
If the eSIM is installed but apps do not load
If you have signal but apps still do not load, check the settings that decide whether data actually flows.
- Confirm the travel eSIM is selected for mobile data.
- Confirm data roaming is on for the travel eSIM if your plan requires it.
- Confirm your plan still has data remaining.
- Check the state of the included VPN — it may need to be on, or temporarily off.
- Some apps may block certain regions or IP addresses.
- Some local networks restrict specific services or apps.
- Check that you are not silently connected to a captive Wi-Fi network that is not signed in.
If mobile data works but some apps or sites act differently
Even with working mobile data, some apps and websites behave differently abroad. This is normal and usually not an eSIM problem.
- Location checks in banking and payment apps.
- Fraud protection systems that flag foreign IP addresses.
- Local network restrictions on specific services.
- Content availability that varies by country.
- Security systems in work tools that block unfamiliar networks.
Included VPN
Turn on the included VPN in the app when you want privacy, security, and unrestricted internet abroad. If a banking or payment app blocks VPN traffic, temporarily turn the VPN off and try again.
Data roaming: travel eSIM vs home SIM
Travel eSIM roaming and home SIM roaming are different settings, even though they use the same word.
- Many travel eSIMs connect through roaming agreements with local networks.
- That means the travel eSIM may need data roaming turned on.
- This is different from turning on roaming for your home SIM.
- Keep home SIM data roaming off if avoiding home-carrier charges.
Choose the travel eSIM for mobile data first. Then turn Data Roaming on for the travel eSIM only if your plan instructions require it.
Roaming toggles
Home SIM roaming vs Travel eSIM roaming
Home SIM roaming
Keep this off if you want to avoid home-carrier roaming charges.
Travel eSIM roaming
Use travel eSIM roaming only if your plan instructions require it.
Keep home SIM roaming off if avoiding home-carrier charges. Use travel eSIM roaming only if your plan instructions require it.
APN settings: only use what your order provides
Most travelers should not need to edit APN settings manually. If your order provides APN instructions, use those exact values.
Do not guess APN values
Do not guess APN settings. Do not copy APN values from random websites. Wrong APN settings can stop mobile data from working entirely.
When to turn the included VPN on or off
The included VPN does not install or activate the eSIM. First make sure mobile data works. Then turn on the included VPN in the app when you want privacy, security, and unrestricted internet abroad.
If a banking, payment, streaming, or work app refuses VPN traffic, temporarily turn the VPN off and test again.
What not to do
- Do not delete the eSIM while you still need it.
- Do not repeatedly scan the QR code. Some eSIM profiles can only be installed once.
- Do not guess APN settings.
- Do not turn on home SIM roaming unless you understand the charges.
- Do not assume the included VPN is on automatically.
- Do not assume all apps behave the same abroad.
- Do not wait until you have no internet to contact support if the order details are missing.
What to send support
If you still cannot get mobile data working, contact support with as much of the following as possible. This shortens the time to a fix.
Send support
Include as much of this as possible to shorten the fix time
- Your order email or order number.
- The destination you are in.
- Your phone model.
- Your iPhone iOS version or Android / One UI version.
- A screenshot of your SIM / eSIM settings.
- A screenshot of your mobile data selection.
- Whether data roaming is on for the travel eSIM.
- The exact error message shown, if any.
- Whether the phone is carrier-unlocked.
- Whether any app works, such as Maps or a browser.
Frequently asked questions
Why is my eSIM installed but not working?
Usually because a setting is wrong, not because the eSIM itself is broken. Confirm the travel eSIM is turned on, is selected as the mobile data line, mobile data is enabled, and data roaming is on for the travel eSIM only if your plan instructions require it. Then restart the phone and test again.
Why does my travel eSIM say No Service?
No Service means the phone cannot register on any network. Move to a place with better outdoor signal, restart the phone, toggle airplane mode, set network selection to Automatic, confirm the plan is valid for your destination, and confirm the phone is carrier-unlocked if you are using it with a different provider. Contact support if there is still no service.
Should data roaming be on for my travel eSIM?
Only if your plan instructions require it. Many travel eSIMs use roaming agreements with local networks, so the travel eSIM may need data roaming turned on. This is a separate setting from home SIM roaming.
Should I turn on roaming for my home SIM?
Not unless you understand the charges from your home carrier. Home SIM roaming is a different setting from travel eSIM roaming. If you want to avoid home-carrier roaming charges, keep home SIM data roaming off and use the travel eSIM as your mobile data line.
Why does my eSIM have signal but no internet?
Signal means the phone is registered on a network, but data still needs the right settings. Confirm the travel eSIM is selected for mobile data, mobile data is on, data roaming is on if required, your plan has data remaining, and the included VPN is either off or on depending on the app you are testing.
Do I need to change APN settings?
Most travelers do not need to. Only change APN settings if your order provides exact APN instructions. Do not guess APN values or copy them from random websites.
Can I delete and reinstall my eSIM?
Some eSIM profiles can only be installed once. Do not delete an eSIM while troubleshooting unless support tells you to. If setup fails, contact support instead.
Does the included VPN fix eSIM data problems?
No. The included VPN does not install, activate, or repair the eSIM connection itself. First make sure mobile data works. Then turn on the included VPN in the app when you want privacy, security, and unrestricted internet abroad.
Why do some apps or websites still not work?
Apps, banks, streaming platforms, and work tools can behave differently abroad because of location checks, fraud checks, local network restrictions, content availability, and security systems. This is usually not an eSIM problem. Try the included VPN in the app for privacy and unrestricted internet, and turn it off temporarily if a banking or payment app blocks VPN traffic.
When should I contact support?
Contact support if the travel eSIM still shows No Service after the fixes above, if you cannot get mobile data working after restarting, if the plan does not seem valid for your destination, or if your order details are missing. Send your order email, phone model, iOS or Android version, screenshots of your SIM and mobile data settings, and any error message shown.