I cannot make calls on my iPhone

GeoMedak Said:

"I cannot make calls on my iPhone: I cannot make calls on my iPhone. I somehow have no esim."

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Troubleshooting "No SIM":

Is "No SIM" shown on the top-left corner of your screen? If so, go here to fix that: If you See 'invalid SIM' or 'no SIM' on your iPhone or iPad - Apple Support

Contact your cellular carrier.

GeoMedak Said:

"I cannot make calls on my iPhone: I have an iPhone 14promax and cannot use it to make calls. I have apparently screwed up my eSIM."

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Then see KiltedTim's reply.