If you have installed a SIM card on your iPhone but it isn’t working as expected, don’t worry — you can easily fix the issue and activate the SIM by following a few simple steps.
- Turn on Data Roaming
Open Settings on your device.
Go to Cellular (or Mobile Data).
Select your SIM card, then make sure that Data Roaming is turned on.
- Check Mobile Data Settings
From the Cellular/Mobile Data menu, ensure that your SIM card is set as the primary data source under “Cellular Data.”
If it’s not active, tap on it to set it as the main data line.
- Manually Select a Network
Go to Settings > Cellular > Network Selection.
Turn off Automatic mode.
Then, manually select a network from the available list (you can check the supported networks through the SIM22 app).
- Verify eSIM Installation
Make sure the eSIM is properly installed according to the installation guide for your device.
Also, ensure that your region is supported under your current plan.
- Update Your System
Ensure that your device is running the latest iOS version, as updates often fix issues related to SIM card functionality.
