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HP ZBook Firefly 14 inch G8 Mobile Workstation PC (275W7AV)
Microsoft Windows 11

Hi. I'm an owner of an HP Zbook Firefly 14 G8. I have a question:

I can see a SIM Card slot on my laptop but it doesn't work. I asked the community before why it wasn't working. Someone replied that as the SIM module is expensive, I would separately buy it before buying this laptop. 

I understood that my PC doesn't have a SIM module [Qualcomm X55 LTE 5G or something] to run SIM Cards. But is there any extra slot to insert a SIM module? If yes, can I insert a 4g module as the 5g is much expensive? And the last question is, are the SIM modules inserted in an extra M.2 slot? I've seen many 4G SIM modules that have M.2 plug.

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