That message in your Android phone means your phone locked to be used with local operators or may be used in a local region only.
To unlock it, you have two ways:
Insert local original EU SIM card and make one long call (5 minutes as a minimum) to any local EU mobile number. It will unlock it.

Ask the original provider or device Manufacturer customer support a special unlocking code.

After unlocking your Surfroam SIM will work on your phone.

NB! To use Surfroam SIM, you need to have an unlocked device.
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