User profile for user: raina_b22 raina_b22 User level: Community Specialist Nov 12, 2017 12:32 PM in response to Anuprisharma Hello Anuprisharma, Thank you for using Apple Support Communities! I understand from your post that after updating your iPhone it shows No Service. The following article has some helpful information to resolve this type of issue: If you see No Service or Searching on your iPhone or iPad - Apple Support Best Regards. Show more Less Reply Link