From out of nowhere, a message saying that I can't receive calls or use my data appear to me, and then I tried to reset my cellphone but I can't because it says I need an update to do that, and I had my iPhone up to date, then I tried to reset it from my MacBook Air, but now I can't activate my cellular because I need and update to do that, please help, I bought it at an apple store in USA, but now I'm in Perú
iPhone 11, iOS 13
There are two major Updates in an iPhone / iPad:
How to Update Carrier Settings
You can manually check for and install a carrier settings update with these steps: Make sure your device is connected to a Wi-Fi or cellular network. Tap Settings > General > About. If an update is available, you'll see an option to update your carrier settings.
Update your carrier settings on your iPhone or iPad - Apple Support
How to update iOS
Go to Settings > General > Software Update > Automatic Updates, then turn off AutomaticUpdates. At any time, you can check for and install software updates. Go to Settings > General > Software Update. The screen shows the currently installed version of iOS and whether an update is available.
There are two major Updates in an iPhone / iPad:
How to Update Carrier Settings
You can manually check for and install a carrier settings update with these steps: Make sure your device is connected to a Wi-Fi or cellular network. Tap Settings > General > About. If an update is available, you'll see an option to update your carrier settings.
Update your carrier settings on your iPhone or iPad - Apple Support
How to update iOS
Go to Settings > General > Software Update > Automatic Updates, then turn off AutomaticUpdates. At any time, you can check for and install software updates. Go to Settings > General > Software Update. The screen shows the currently installed version of iOS and whether an update is available.
How do I activate my iPhone
