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Almost every eSIM problem is one of five settings. Start at the top — they are ordered by how often each one turns out to be the answer.
No data? Check these in order
Point mobile data at the AloAlo line
The most common cause by a distance. The eSIM installed correctly and the phone is still using your home line.
- iPhone
- Settings → Cellular → Cellular Data → select the AloAlo line
- Android
- Settings → Network & internet → SIMs → Mobile data → select the AloAlo line
Turn data roaming ON for the AloAlo line
Counter-intuitive, but required. A travel eSIM connects through partner networks, which your phone treats as roaming. With roaming off it will never connect.
- iPhone
- Settings → Cellular → tap the AloAlo line → Data Roaming on
- Android
- Open the AloAlo line’s settings → Roaming on
Turn data roaming OFF on your home line
This is the setting that stops the bill. Leave the line itself switched on so calls and texts still arrive — just stop it using data.
- iPhone
- Settings → Cellular → tap your home line → Data Roaming off
- Android
- Open your home line’s settings → Roaming off
Toggle airplane mode
Forces a fresh network scan. On for ten seconds, then off, then give it a minute to register. Registration abroad is slower than at home.
- iPhone
- Control Centre → airplane icon
- Android
- Quick settings → airplane icon
Choose a network manually
If the phone will not pick an operator on its own, pick one yourself. Scanning takes up to a minute; if the first choice fails, try the next.
- iPhone
- Settings → Cellular → AloAlo line → Network Selection → Automatic off → choose
- Android
- Mobile network settings → Select automatically off → choose
Do not delete the eSIM. Most profiles can only be installed once, so deleting one usually destroys a plan you have paid for. Work through everything above and talk to us before removing anything.
Step-by-step guides
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Install on iPhone
Adding the eSIM, labelling your lines and setting which one carries data.
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Install on Android
Where the eSIM menu hides on Samsung, Pixel, Xiaomi and the rest.
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Activate when you land
What to set before the plane doors open, and what to do if nothing happens.
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Full troubleshooting checklist
Every check in order, including APN settings and carrier locks.
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Check your phone is compatible
Which handsets support eSIM, and how to find your EID in thirty seconds.
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Keep WhatsApp on your own number
Why nothing changes, and the three settings worth confirming.