Why does my eSIM keep disconnecting?
Most often your phone keeps switching between networks or back to your home SIM. Turn off Allow Mobile Data Switching, choose one network by hand, and restart the phone.
Step by step
- 1Step 1 of 4
Turn off Allow Mobile Data Switching.
iPhone: Settings > Mobile Service > Mobile Data. Android: Auto data switch.
- 2Step 2 of 4
Choose a network by hand.
iPhone: Olysim line > Network Selection. Android: Mobile networks > Network operators.
- 3Step 3 of 4
Set the network mode to 4G/LTE if 5G keeps dropping.
iPhone: Voice & Data. Android: Preferred network type.
- 4Step 4 of 4
Restart your phone.
Keep Data Roaming on for the eSIM.
In trains, lifts and remote areas, any network can drop for a moment. If it happens all the time in a city, message us on WhatsApp and tell us where you are, so we can check the network for you.

