Lightning HDTV cable to Samsung TV comes up with a bar code on tv but no mirroring of iphone

Hello Tinabj5,

Thank you for choosing Apple Support Communities!

It sounds as though you're looking to connect your iPhone to your TV using a HDMI cable. You're in the right place, we'd be glad to assist in seeking a solution.

To verify, are you using a Lightning Digital AV Adapter? -About Apple Digital AV Adapters for iPhone, iPad, and iPod touch

This resource includes quick checks and useful steps that can help resolve issues when using the Lightning Digital AV adapter.

We hope this helps,

Cheers!