An update require to use cellular data in this iphone issue detected what can i do
I am facing issue from yesterday i don’t able to use cellular internet
The instructions within 'related article' above your inquiry, show/tell of
how the use of Computer (PC or Mac) helps install or update software.
If you have actual issues from those instructions, post back here and
state the nature of exact problems. Or with successes, tell those too.
If you see an error when you update or restore your iPhone, iPad, or iPod - Apple Support
//support.apple.com/en-us/HT201210
With a cable, you may use a computer; when you haven't one of either
type to use, the situation becomes matter of finding who has one..
And take iOS device to the location of the computer, to complete update.
Connect iPhone and your computer with a cable - Apple Support
//support.apple.com/guide/iphone/connect-iphone-and-your-computer-with-a-cable
If absolutely nothing can be done after applying steps to resolve this
from the above article links (each has additional within) then try this:
"..Or contact Apple Support.." ~ shortcut to contact official Support.
As this might involve taking the iPhone to an 'authorized Apple service'
for hands-on use of their computer. Or an Apple retail location +genius.
Genius Bar Reservation and Apple Support Options - Apple
//www.apple.com/retail/geniusbar/