Re: iPhone 7 not connecting to LTE after using overseas SIM
vzw_customer_support
Customer Service Rep

akc713, I understand your concern when it comes to not losing your media. I am here to assist. Let's work to get to the bottom of this. We will need to clarify some key details. What happens when you try to restore your backup? If this issue is occurring only when you restore your backup there is something that is being restored back on your device that's causing this to happens. To guarantee use of your device I would recommend setting up as new as we can't guarantee that your device will connect to the network if you are restoring the backup.   

Justin_VZW
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