Help articles & guides
Clear, plain-English guides for installing, using and troubleshooting your MobiWonder eSIM.
How to install your eSIM on iPhone before you fly
Scan your QR code on home Wi-Fi the day before takeoff, label your line “MobiWonder”, and activate in 20 seconds when you land.
Read guide ›How to install your eSIM on Android (Samsung & Pixel)
Step-by-step setup for Samsung One UI and Google Pixel, including manual activation code entry on the same phone.
Read guide ›Landed with no data? Check the 4 things that fix 95% of cases
Verify Data Roaming on your MobiWonder line, select MobiWonder for Mobile Data, and check the APN directory by country.
Read guide ›Supported devices & 30-second `*#06#` EID check
Every compatible Apple iPhone, Samsung Galaxy, Google Pixel and Android model, plus how to check if your phone is carrier-unlocked.
Read guide ›What’s an eSIM — and how Dual SIM keeps your WhatsApp working
How a digital SIM works alongside your physical SIM so you get local-rate travel data without losing your regular number.
Read guide ›30-day money-back guarantee & refund policy
Trip cancelled or phone incompatible? Uninstalled eSIMs qualify for a full 100% refund within 30 days of purchase.
Read guide ›How to look up your QR code with your eSIM serial number
Can’t find your confirmation email or bought a voucher? Enter your serial number to pull up your QR code and manual setup keys immediately.
Read guide ›Daily data vs Fixed data: which plan should I pick?
Daily plans give you a fresh high-speed allowance every 24 hours; Fixed plans give you one shared data pool for your whole trip.
Read guide ›How to check if your phone is eSIM-compatible
Your phone needs two things: eSIM support and no carrier lock. Here’s how to check both in under a minute.
Read guide ›When should I install my eSIM?
Install your eSIM on home Wi-Fi the day before you fly — your plan days only start counting when you land and connect.
Read guide ›How to change, top up or add days to your plan
Extending your trip or running low on data? Here’s how to add more data or switch destinations in under a minute.
Read guide ›QR code won’t scan? How to fix it or install manually
No second screen or getting an “Unable to Activate” prompt? Install in 30 seconds using manual activation keys.
Read guide ›Hotspot / personal tethering not working? Here’s the fix
All MobiWonder plans include personal hotspot sharing at no extra charge. If Personal Hotspot is missing, update one APN field.
Read guide ›What’s included in a regional bundle?
One eSIM covers every country in the region — cross borders by train, car or flight and your phone switches partner networks automatically.
Read guide ›Phone models that don’t support eSIM
Older phone generations, carrier-locked devices, and certain regional hardware models sold in mainland China or Hong Kong do not support eSIM.
Read guide ›
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