Hello ​@Piotr Sniegocki,

Thank you for reaching out to us.

Please refer to the following article for further information regarding this matter, as the APN configuration:

Please let us know if this information was helpful.

Thank you

I have already tried this, the APN configuration is as in the provided link.
I also tried inserting the SIM card into the phone (iPhone 15).

I see that the APN configuration is correct, it recognizes the network - but the Internet still does not work

I also found this thread:

Maybe my card needs to be activated?

Hello ​@Piotr Sniegocki, 

I would advice you to activate the card following this procedure. 

Como resolver problemas com a internet na pen ou hotspot | Forum NOS 

You can setup the router using the instructions bellow. 

Archer MR400 | TP-Link Portugal 

Thank you.

Yes, exactly I contacted technical support by phone and my my card was activated

Everything works perfectly now. Thanks!

Hello ​@Piotr Sniegocki,

Thank you for your feedback on this matter.

Please share with us any questions you might have. We’re always available to assist.

Thank you