Use Case 2.3 Unlock the app

Overview

Aspect

Description

Summary

The user unlocks the app either by using biometrics or entering a PIN, with fallback options including PIN recovery or wallet deletion if access fails.

Goal

Unlocking the app.

Preconditions

None

Postconditions

None

Triggered by

Additional Documentation

None

Possible errors

  • No internet
  • Server unreachable

Logical Test Cases


Flow

#

Description

Next

1

PRIMARY SCENARIO

1.1

System determines whether biometrics are enabled

  • Duration: 0.0 - 0.1 seconds

1.1a

Case: Biometrics are enabled

2

1.1b

Case: Biometrics are not enabled

1.2

1.2

System scans biometrics

1.2a

Case: Valid biometric

Go to: UC7.1 Show all available cards

1.2b

Case: Invalid biometric (first time iOS)

2

1.2c

Case: Invalid biometric (second time iOS)

3

1.2d

Case: Invalid biometric (first till fourth time Android)

4

1.3

System shows screen ‘Open app with PIN’

  • Message: Open with your PIN
  • Input: 6 digits (0-9) PIN field
  • Actions: Info, Forgot Pin

1.3a

User enters PIN

1.4

1.3b

User selects Forgot PIN

6

1.3c

User selects Info

Go to: UC9.2 Get app information

1.4

System executes partial flow PF2.8 Validate PIN

1.4a

Result: Confirm

1.5

1.4b

Result: Retry

1.3

1.4c

Result: Back

Back

1.5

System determines whether user has obtained PID

  • Duration: 0.0 - 0.1 seconds

1.5a

Case: User has obtained PID

1.6

1.5b

Case: User has not obtained PID

Go to: UC3.1 Obtain PID

1.6

System executes partial flow PF2.7 Resolve a universal link

1.6a

Result: No (valid) universal link

1.7

1.7

System determines whether app was shutdown before unlocking

1.7a

Case: App was active (iOS: resume, Android: hot start)

Resume1

1.7b

Case: App was shutdown (iOS: launch, Android: cold or warm start)

Go to: UC7.1 Show all available cards

2

WHEN BIOMETRIC IS INVALID, FIRST TIME IOS

2.1

System displays prompt ‘Biometric not recognized’

  • Actions: Try again, Close

2.1a

User selects Close

1.3

2.1b

User selects Try again

2.1

3

WHEN BIOMETRIC IS INVALID, SECOND TIME IOS

3.1

System displays prompt ‘Biometric not recognized enter your PIN’

  • Actions: Enter Password, Cancel

3.1a

User selects Enter Password

1.3

3.1b

User selects Cancel

1.3

4

WHEN BIOMETRIC IS INVALID, FIRST TIME ANDROID

4.1

System displays message ‘Biometric not recognized’

  • Actions: Try again, Close

4.1a

User selects Close

1.3

4.1b

User selects Try again

2.1

5

WHEN BIOMETRIC IS INVALID, FIFTH TIME ANDROID

5.1

System displays prompt ‘Too many failed attempts. Open with PIN’

  • Actions: Close

5.1a

User selects Close

5.2

5.2

System displays prompt ‘Biometric not recognized, enter your PIN’

  • Actions: OK

5.2a

User selects OK

1.3

6

RECOVER FROM FORGOTTEN PIN

6.1

System displays forgot PIN screen

  • Forgot PIN?
  • Actions: Delete Wallet, Back

6.1a

User selects Delete Wallet

Go to: UC9.4 Wipe all app data

6.1b

User selects Back

Back

1. Resume the state when the app backgrounded/suspended.