iPhone sim network issue
Tacnical issue with my phone
[Re-Titled by Moderator]
iPhone 7, iOS 15
Hello Malikaizam!
Would you mind explaining further? What issues are you experiencing?
To troubleshoot issues with No Service, you can tap on this link:
If you see No Service, Searching, or SOS on your iPhone or iPad - Apple Support
Also, an OP in another thread was provided with much information on possible issues. You can view the thread Here.
We would love to help, but with the limited information you have provided, only limited help can be provided.
Good Luck!