iPhone no service

Might be a possibility:

iPhone 7 Repair Program for "No Service" Issues - Apple Support

You have already contacted the carrier. Make an appointment at the Apple Store or take the phone in to an authorized Apple Service shop to let them take a look.

corsierosie Said:

"iPhone no service: Suddenly have no service on my iPhone. I’ve updated it and spent 2 hours with Verizon. Still no cell service."

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You need to Contact Verizon Back:

Troubleshooting "No Service"

With "No Service" being seen on the top-left corner of your screen, speak to your carrier about fixing that. Learn More Here: If you See No Service or Searching on your iPhone or iPad - Apple Support