Troubleshooting eSIM / SIM not working

Go one step at a time, tick when tried — stop as soon as it works

Open Data Roaming on the SIM / eSIM SAMURAI
Check that the SAMURAI line is on (iPhone: Turn on this line)
Off-On Airplane mode Wait 1 minute
Restart your phone 1 time
Choose network manually: Network selection › turn off Automatic › select the network specified in the package

Go one step at a time, tick when tried — stop as soon as it works

Go one step at a time, tick when tried — stop as soon as it works

per Wi-Fi stable (Not free airport/café Wi-Fi)
Check that your phone Supports eSIM and not carrier-locked — Check model
Use another screen Open the QR (a phone can’t scan its own screen) or Enter code manually
Don’t scan multiple times — If already installed, the QR can’t be used again

Go one step at a time, tick when tried — stop as soon as it works

Daily packages: once you use up that day’s quota, speed is reduced and restored the next day
Try switching 5G / 4G: Cellular › Voice and data
Turn airplane mode off and on to reconnect to a tower
Close apps loading data in the background (photo backup / app updates)

Go one step at a time, tick when tried — stop as soon as it works

Turn off the phone, remove the SIM and reinsert with the cut corner matching the tray
Check that the SIM popped out of the card fits the tray (nano)
If it still shows the same, your phone may Carrier-locked — Message our team with your phone model

Go one step at a time, tick when tried — stop as soon as it works

Don’t scan the same QR again (Single use only)
Message our team with Order number to check whether a new eSIM can be issued

The LINE message automatically includes your symptoms, steps already tried and phone model. Add your order number before sending

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