Q: iPad camera doesn't work after 8.1 upgrade

Hi, Carriewise.  

Thank you for visiting Apple Support Communities.

This article will help your troubleshoot the camera issue with your iPad even though it is labeled for the iPhone.  See the section labeled Camera isn't functioning or has undesired image quality.

iPhone: Hardware troubleshooting

http://support.apple.com/kb/TS2802

If the issue persists, see the last section labeled Issue not resolved.

Cheers,

Jason H.