You should have a list of all the actions to follow to iterate on this prototype listed below:
Make a new prototype that takes into account all these feedback, and insert below at least three pictures of your iteration showing your proposal evolution:
Describe the evolution of the prototype:
<aside> ➡️ Choose contrasted colours that can be easily recognized by visually impaired people
</aside>
<aside> ➡️ Change the order of the steps and design so it's more intuitive
</aside>
<aside> ➡️ Add comprehensive and essential buttons
</aside>