Understand codes, vouchers and app access

Practical, plain-language guides for reading our records and staying safe when installing apps.

Why a Promo Code May Not Work

A promo code may fail because of expiry, eligibility restrictions, regional limits, previous use, application versions or campaign changes.

Updated 20 Jun 2026

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How We Assign Status Labels

Understand the evidence and review process used to classify UonoVoucher records as Checked, Active, Limited, Reported, Unconfirmed, Expired or Withdrawn.

Updated 10 Jul 2026

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