Please enable my phone cellular data and SIM card in this mobile phone
My phone hasn’t open at SIM card and cellular data
iPhone 7 Plus, iOS 15
My phone hasn’t open at SIM card and cellular data
iPhone 7 Plus, iOS 15
See these Apple articles below:
If you see No Service, Searching, or SOS on your iPhone or iPad
If you see No Service, Searching, or SOS on your iPhone or iPad - Apple Support
Manually update your carrier settings on your iPhone or iPad
Manually update your carrier settings on your iPhone or iPad - Apple Support
Update your network provider settings manually on your iPhone or iPad
Update your network provider settings manually on your iPhone or iPad – Apple Support (UK)
If you see a Cellular, Ultra Wideband, or Apple Pay Issue message after an iOS update or restart
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See this Apple article: How to unlock your iPhone for use with a different carrier
How to unlock your iPhone for use with a different carrier - Apple Support
You need to contact your Carrier.
Or do you need the PUK code?, See this Apple article: Use a SIM PIN for your iPhone or iPad
Use a SIM PIN for your iPhone or iPad - Apple Support
Please enable my phone cellular data and SIM card in this mobile phone