Sorry about that. I upgraded to Mail Plus for POP access from Outlook and I thought (there I go thinking again) that this applied to our phone.
How do I receive my Yahoo! Mail using a different email program? | Yahoo! Mail Help
Here's the Yahoo! Go 2.0 app that I couldn't find earlier.
Download Yahoo! Go,Yahoo! Go 2.0 download
During install it said it was unsuccessful because it wasn't intended for my device. I wanted to see if it was really as slow as I remembered.