New sim not recognised

Hi, my new sim is not recognised. Normally I get a message to unlock the sim - it's not appearing. I have tried the new sim in my phone - it is working. I have tried my phone sim in the modem - it is working. Any ideas?
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Hi, thanks for posting question here.
It is suggested to follow the guide to troubleshoot: What should I do if my TP-Link 4G LTE Router cannot detect SIM card?
Please share more details and necessary screenshots of the settings/ error message if you need further help.
Best regards.
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Hi, thanks for posting question here.
It is suggested to follow the guide to troubleshoot: What should I do if my TP-Link 4G LTE Router cannot detect SIM card?
Please share more details and necessary screenshots of the settings/ error message if you need further help.
Best regards.
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- Report Inappropriate Content

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