Bad UX: T-Mobile Online Payment

The Problem

The NEXT button is in the wrong place. By being on the far left of the screen, it implies BACK while its label reads NEXT. Cognitive dissonance makes me sad.

The NEXT button is in the wrong place
The NEXT button is in the wrong place

The Fix

Move the NEXT button to the far right, and make the button a little bit bigger while we’re at it.

Buttons that move you forward in a process should be on the right, at least when dealing with languages that read left to right.
Buttons that move you forward within a process should be on the right, at least when dealing with languages that read left to right. Buttons that cancel the process or move you backwards should be on the left.