Q: I cannot receive sms only send please help me

Howdy Koliesnichenko,

Welcome to Apple Support Communities.

If I understand correctly, there's an issue receiving SMS messages with your iPhone 6s. Try taking a look at the article linked below which provides a lot of great information and troubleshooting tips that can help you resolve this issue.

If you can't send or receive messages on your iPhone, iPad, or iPod touch - Apple Support

So long.