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Case 02

UPSIM eSIM App / Web Experience

Designed app and web experiences for eSIM purchase, payment, top-up, how-to-use guidance, account management, passport scan, login/sign-up, forgot password, and ID scan flows.

eSIMNative AppWebTravel UXMobile FlowVerificationAccount UX
Outcome highlights
  • A more structured eSIM experience across app and web touchpoints
  • Clearer purchase, setup, account, and verification flows
Product type
eSIM purchase & account experience
Platform
Native App, Web
Timeline
2022–2026 · multi-phase product stream
Role
Mobile + web UX, UI flow design, verification flow design
Team
Designer, PM, mobile + frontend engineers
Tools
Figma, FigJam
Context

Why this project existed

eSIM experience for a travel-related context where clarity, trust, and step-by-step guidance matter. Users need to understand how to buy, activate, top up, and manage their eSIM.
My role

What I owned

  • Mobile App UX
  • Web UX
  • UI Flow Design
  • UI Guideline
  • Verification Flow Design
  • Product Logic Clarification
Challenge

What made it hard

  • Users unfamiliar with eSIM activation
  • Travel users need fast, clear instructions
  • Purchase, payment, top-up, and account flows must be easy to follow
  • Identity steps (passport / ID scan) require trust and clarity
  • Mobile UI must reduce setup confusion
Process

How it came together

  1. 1Mapped the full eSIM journey
  2. 2Designed buy, payment, top-up, and how-to-use flows
  3. 3Structured account and token interactions
  4. 4Designed scan and authentication flows
  5. 5Produced UI guideline materials
  6. 6Reviewed mobile usability and clarity
Design decisions

The thinking behind it

Reduced uncertainty by making instructions more visible, splitting complex steps into clearer sections, and supporting both purchase and post-purchase actions in the same flow.
Final design

Selected views

Abstract representations — original mockups, not client screenshots.

Outcome / impact

What changed

  • A more structured eSIM experience across app and web touchpoints
  • Clearer purchase, setup, account, and verification flows
Reflection

What I took away

Connected product UX with real-world travel behavior — quick guidance and low-friction task completion.
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