Engineering SLA GuaranteeVersion 2.5 • Effective: September 2026

Refund Policy & Technical Guarantee

DuoNavi delivers high-performance automotive multitasking software for Apple CarPlay on Rootless iOS environments. We stand behind our 60 FPS standard and protect customer rights through transparent, empirical verification.

100% Defect Protection

Full refund guaranteed if promised features fail due to unresolvable internal code defects.

24-48h SLA Response

Direct engineering triage and log inspection within 24 to 48 business hours of ticket submission.

Transparent 3-Step Flow

Empirical diagnostic verification and patch support prior to direct refund processing.

Quick Navigation

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01Eligible Scope 02Non-Refundable Cases 033-Step Verification 04Payout Channels

Section 1: Eligible Refund Scope

Customers are eligible to request a 100% refund within 30 calendar days from the purchase date under the following verified technical conditions:

Unresolvable Core Feature Failure

Core split-screen multitasking or CarPlay rendering fails to execute on hardware meeting stated prerequisites, and our engineering team is unable to deliver a working patch within 7 business days.

Verified Internal Source Code Bug

Persistent system crashes caused by internal binary defects in DuoNavi packages, confirmed via crash logs and diagnostic telemetry.

Feature Description Discrepancy

The software lacks advertised core functionality explicitly documented on the official product specification page at transaction time.

Section 2: Non-Refundable Scenarios

Strict Non-Refundable Exclusions

Refund requests will be denied under the following circumstances:

Customer Change of Mind:
Purchasing by mistake, no longer needing the software, or requesting a refund after receiving working access.
Prerequisite Non-Compliance:
Vehicle head unit lacks Apple CarPlay, phone lacks a compatible Rootless environment (or is on unsupported iOS 17+), or user environment lacks Rootless package compatibility.
User Modifications & Package Conflicts:
Issues arising from incompatible 3rd-party packages, corrupted iOS rootless directories, or refusal to perform basic diagnostic steps.
License & Security Violations:
Licenses revoked due to unauthorized binary tampering, reverse engineering, unauthorized key resale, or illicit distribution.

Section 3: 3-Step Verification & Technical Support Process

To ensure technical integrity, every refund request follows our structured 3-step diagnostic procedure:

1Initial Step

Submit Diagnostic Data

Reach out via the DuoNavi Official Support Hub with your license code, iPhone model, iOS version, Rootless environment details, and a brief reproduction screen capture.

Intake: Immediate

224 - 48 hours

Engineering Triage

DuoNavi engineers examine diagnostic logs, provide configuration remedies, or dispatch targeted patch builds.

SLA: 24-48 Business Hours

33 - 5 business days

Direct 100% Refund

If verified as an unresolvable DuoNavi defect, a full 100% refund is initiated immediately via the original payment method.

Payout: 100% Direct

Section 4: Payment Methods & Payout Timelines

All approved refunds are returned directly via the original transaction channel (Credit/Debit Card, Wire Transfer, or Payment Gateway). DuoNavi absorbs all payment gateway processing fees.

Funds typically post within 1 to 3 business days for bank transfers and 3 to 7 business days for international credit cards, subject to your card issuer terms.

Need Technical Support or Refund Assistance?

Our engineering support team is available to assist with compatibility inquiries and diagnostics.

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