I lose cellular service when ios updates
When I install ios updates on iphone 12 I lose cellular service. When I try to restore to factory settings, I get a message that it can't be restored because there's no cellular service.
iPhone 12, iOS 15
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Cellular Update Failed —> If you see an Update Failed or Apple Pay Not Available alert after iOS update or restart
Settings > Mobile Data > APN [under Mobile Data APN] enter the APN pin
View and edit your APN settings
If your carrier allows it, you can view your APN settings in one of the following locations: Settings > Cellular > Cellular Data Options > Cellular Network. Settings> Mobile Data > Mobile Data Options > Mobile Data Network.
View and edit your Access Point Name (APN) on your iPhone ...