# ESN Car Audio/Navi Unlocker — Unlock Japanese Car DVD/NAVI > Generates 6-digit unlock PINs for Japanese car audio/navigation systems. (iPhone/iPad app by Saqib Ahmad.) - Source: https://appshunter.io/ios/app/esn-car-audionavi-unlocker/id1541776939 (this page in markdown: same URL + `.md`) - Developer: [Saqib Ahmad](https://appshunter.io/developer/1512071363) - Category: Utilities, Developer Tools - Price: Free - Rating: 1.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 10.0 · 4 MB - Languages: English - Released: 2020-11-29 - Data updated: 2026-06-08 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/esn-car-audionavi-unlocker/id1541776939/reviews.md ## What is ESN Car Audio/Navi Unlocker? What is ESN Unlock PIN ESN is a 6-digit PIN. This application provides a 6-digit unlock PIN when entered into the car multimedia device at the unlocking screen, unlocks various features of the car multimedia device. Reason for ESN Unlocking ESN is a safety system that causes the navigation and sound functions to become inoperative when the battery terminal is disconnected and reconnected. An ESN unlock PIN or ESN password is required to unlock the device in certain situations. To generate an ESN password, an ESN serial number is required. How to find ESN Serial Number Press and hold the Main and Navi/ or AV buttons on the car audio device at the same time for a few seconds or press buttons repeatedly for a few times until a new screen appears with the 6-digit ESN serial number for example 3BFB42, 40793F. Some devices require you to repeat the above process by pressing the Main and Info buttons together or via other combinations which could be found at the AP support URL. Supported Audio Models AVN6604HD, AVN6605HD, AVN6606HD, AVN6806HD, AVN7406HD, AVN7705HD, AVN7706HD, AVN7905HD, AVN8804HD, AVN8805HD, AVN8806HD, AVN075HD, AVN076HD, AVN078HD, AVN557HD, AVN558HD, AVN550HD, AVN667HD, AVN668HD, AVN669HD, AVN660HD, AVN661HD, AVN687HD, AVN757HD, AVN777HD, AVN778HD, AVN779HD, AVN770HD, AVN887HD, AVN978HD, AVN110, AVN111, AVN112, AVN133, AVN134, AVN1100, AVN7300, AVN7400, AVN7500, AVN-F01, AVN-F02, AVN-G01, AVN-G02, AVN-G03, AVN-G04, AVN-V01, AVN-V02, AVN-Z01, AVN-Z02, AVN-Z03I, AVN-Z04I, AVN-ZX02, AVN-ZX03, AVN-ZX04I, AVN-SZ04I, AVN-SZX04I. Kia Ora! ## Key features - Generates 6-digit unlock PINs - Unlocks car multimedia features - Requires ESN serial number - Supports numerous car audio models - Provides instructions to find ESN ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/esn-car-audionavi-unlocker/id1541776939/reviews.md ### 5/5 — Five Star *2021-10-29* So glad to find this app as its only solution for Eclipse Car Navigation unlocking. ## Frequently asked questions about ESN Car Audio/Navi Unlocker ### What is the ESN Car Audio/Navi Unlocker? ESN Car Audio/Navi Unlocker is a free utility app that generates a 6-digit unlock PIN for specific Japanese car multimedia devices. This PIN is needed to restore navigation and sound functions after a battery disconnection. ### How do I find the ESN serial number for my car? To find the ESN serial number, you typically need to press and hold specific buttons on your car's audio device, such as the Main and Navi/AV buttons simultaneously, until a new screen displays the 6-digit ESN. ### What car models does ESN Car Audio/Navi Unlocker support? The app supports a wide range of car audio models, including AVN6604HD, AVN7705HD, AVN8806HD, AVN557HD, AVN660HD, AVN777HD, AVN1100, AVN7500, AVN-F02, AVN-G03, AVN-V01, AVN-Z03I, AVN-ZX02, AVN-SZ04I, and many others listed in the app's description. ### Is ESN Car Audio/Navi Unlocker free to use? Yes, ESN Car Audio/Navi Unlocker is completely free to download and use. It does not have any in-app purchases or advertisements. ### Does ESN Car Audio/Navi Unlocker have ads? No, ESN Car Audio/Navi Unlocker is ad-free. Users can generate their unlock PINs without any interruptions from advertisements. ### What devices is ESN Car Audio/Navi Unlocker available on? ESN Car Audio/Navi Unlocker is available for iPhone, iPad, and iPod devices. It is designed for iOS users. ### When was ESN Car Audio/Navi Unlocker last updated? The application was last updated on December 1, 2020, with version 1.0.2. It was initially released on November 29, 2020. ### What is the age rating for ESN Car Audio/Navi Unlocker? ESN Car Audio/Navi Unlocker has an age rating of 4+. This indicates it is suitable for users aged 4 and above. ## Version history (last 2 releases) ### 1.0.2 — 2020-12-01 Added some enhancement ### 1.0 — 2020-11-29 No release notes. ## Apps similar to ESN Car Audio/Navi Unlocker | App | Rating | Price | Category | | --- | --- | --- | --- | | [Hardkorr Battery Monitor](https://appshunter.io/ios/app/hardkorr-battery-monitor/id1637354675) | — | Free | Utilities | | [CarAVAssist](https://appshunter.io/ios/app/caravassist/id1478702414) | 1.5 (215) | Free | Utilities | | [VAG Coding](https://appshunter.io/ios/app/vag-coding/id6458547652) | 4.2 (5) | Free | Utilities | | [Antique Coin Identifier Value](https://appshunter.io/ios/app/antique-coin-identifier-value/id6448004738) | 4.4 (287) | Free | Utilities | | [U8-Disk](https://appshunter.io/ios/app/u8-disk/id1554732742) | 4.6 (7) | Free | Utilities | | [Convert PDF to Word,Excel,PPT](https://appshunter.io/ios/app/convert-pdf-to-wordexcelppt/id1573854787) | — | Free | Utilities | ## More apps by Saqib Ahmad - [ERC Car Audio/ NAVI Unlocker](https://appshunter.io/ios/app/erc-car-audio-navi-unlocker/id1514888175) - [Offline Record Book](https://appshunter.io/ios/app/offline-record-book/id1516131563) - [WOTILE](https://appshunter.io/ios/app/wotile/id1609727862) All apps by Saqib Ahmad: https://appshunter.io/developer/1512071363 ## Related topics [saqib ahmad](https://appshunter.io/ios/topics/saqib-ahmad) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-08.*