WOM Prepaid Line Registration Redesign

WOM asked me to streamline the prepaid-SIM registration flow, turning a long, error-prone form into a quick two-step journey that feels as simple as topping up credit.

The Challenge

A single, scroll-heavy page drove users away before they finished.

  • 1. One oversized form mixed personal info, address data, and legal checkboxes without visual breaks.
  • 2. Up to 14 fields, many optional, left people guessing what really mattered.
  • 3. Errors weren’t flagged until the bottom, so users had to hunt for missing details.

    • The Solution

    I split the task into two focused screens and added real-time guidance.

  • 1. Step 1 – Datos personales: phone number, email, name, ID, date of issue.
  • 2. Step 2 – Dirección: auto-suggest address fields, city dropdown, and one privacy checkbox.
  • 3. Progressive disclosure: fields appear only after the previous ones validate, keeping the view clean.

    • Project Result

    The new two-step flow translated design choices into clear business wins:

  • 1. Completion rate rose +22 % in the first four weeks.
  • 2. Average registration time dropped from 4 min 15 s to 1 min 40 s.
  • 3. Customer-support chats about “can’t register my SIM” fell by 30 %.

    • Project Result

    By replacing one overwhelming form with two concise, self-validated steps, the prepaid registration now feels quick, clear, and trustworthy, letting new users join WOM without the paperwork headache.