Q: iPhone 6 says searching

Hi, Jderosso.  

Thank you for visiting Apple Support Communities.  

I understand you are unable to connect to the cellular data network on your iPhone 6.  It sounds like you have gone through most of the troubleshooting information that I could recommend.  However, take a look at the information below as there may be a couple additional steps that may help resolve this issue.  

If you can‘t connect to a cellular network or cellular data

Cheers

Jderosso, 

Thank you for the follow-up.  If none of the steps that I recommended resolved the issue, please reach out to us via phone for further assistance.  

Contact Apple for support and service

Cheers