You are only able to snap a photo using the photo app, import your W-2 if available, and or entering it in manually. See the following links for more information.
**Mark the post that answers your question by clicking on "Mark as Best Answer"
Take a picture of your w2 on your phone, send it to yourself in an email, access your email on a computer and save the file, choose upload w2 on TurboTax.com. Or, snap a picture of the w2 on your phone, in app on your phone choose upload w2, access picture and upload.