phone trouble

I recommend using recovery mode. The previous reply has the link for your exact issue. More info on recovery mode is below.

If you can't update or restore your iPhone or iPod touch - Apple Support

305brat wrote:

I have an iPhone 6s and it has been stuck on the apple logo, I've tried restarting it and it doesn't work so what do I do now?

If your iPhone is stuck on the Apple logo - Apple Support