I accidentally unabled my iPhone SIM card. I need for it to be activated back to my cell

Oceanside1583 Said:

"I accidentally unabled my iPhone SIM card. I need for it to be activated back to my cell: I need my phone to work again using my sim card"

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Troubleshooting a SIM Card:

A. "No SIM":

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

B. Whom to Contact:

Contact your Carrier, as there are the one who provide you with the service of configuring the SIM card.

C. Why the Issue?:

It may have popped out, or it may no longer go in there tightly, haven been dropped.

You’ll need to contact your carrier to have it reprovisioned.