No Service on iPhone
my iphone is not take sim card athing its be couse I format it
[Re-Titled by Moderator]
iPhone 6s, iOS 14
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No service or searching
Go through the various suggestions in the support article below but if they don't help, and your network carrier can't help, then contact Apple Support for further investigation.
Support article:
https://support.apple.com/en-us/HT201415