Development Timeline
2021
Released the first Eado Plus unlock tool
Started researching in-car app installation in the second week after delivery and tested the first Eado unlock tool. Old site: dk.huasaiou.com/yidong
July 2022
Upgraded to a visual interface
After four iterations, upgraded to a simpler visual interface.
August 2022
Published Changan unlock principles on CSDN
Published the unlock workflow through system analysis, laying a foundation for later developers. Reads: 9k+.
Analysis of Changan head-unit installation interception
Analysis of Changan head-unit installation interception
September 2022
Expanded support for more models
April 2023
Released a cloud drive for in-car apps
Shared commonly used in-car apps publicly. Total downloads exceeded 200k. VIKING Private Cloud Drive
October 2023
Launched the no-unlock app store
Released a no-unlock installation method. 20 apps were available at launch, now 50+.
No-Unlock App Store
No-Unlock App Store
May 2024
Released an in-car app store client
Built with native Android Java. Apps can be installed directly on the head unit without unlocking.
August 2025
Built an engineering password decoder for new models
New models such as Ruicheng Plus and new CS75 Plus use one-device-one-code in engineering mode.
November 2025
Developed interface adjustments for Eado models
Resolved status bar overlap on 2020-2021 Eado and HVAC bar overlap on 2022-2025 Eado.
November 2025
Developed cloud ADB certification system
New models require cloud certification to enable ADB. Built a cloud certification platform via reverse engineering of Qiyuan models.
Currently Supported Models
Models Supported by Full Unlock Toolbox
18-19 2nd-gen Eado | 20 Eado PLUS | 21 Eado PLUS | 22 Eado PLUS-1.6L | 23 Eado PLUS (no sunroof) | Eado DT/XT/EV460 | 19 CS85 | 19-21 CS95 | Ruicheng/Ruicheng CC | 21 Ruicheng CC | 20 CS55 Plus | 19-20 CS75 Plus | 18-24 CS75 MT | T3 custom fleets | 22-24 Eado Plus Premium/Flagship | 22 Ruicheng CC | 23 Ruicheng Plus | 20-22 CS35 Plus 1.6L | 21 CS35 Plus 1.4T | 22-23 CS35 Plus 1.4T | 24 CS35 Plus Enjoy | 21-22 CS55 Plus | 2nd-gen CS55 Plus | 21-22 CS75 Plus | 2nd-gen CS75 Plus | 4th-gen CS75 Plus | 22-23 CS75 (network) | 22-23 UNI-V/iDD | 21-23 UNI-K/iDD | 20-23 UNI-T | Kaicheng F70 | Changan Hunter (Amap) | Changan Lantuozhe (Amap edition) | Changan Hunter K50 (map edition)
Models Supported by No-Unlock App Store
22-25 Eado Plus 1.4T | 22 Ruicheng CC | 23 Ruicheng Plus | 22-25 CS35 Plus 1.4T | 2nd-3rd Gen CS55 Plus | 22-25 CS75 (network) | 23 CS95 Plus | 22-24 UNI-V/iDD | 21-23 UNI-K/iDD | 24 Qiyuan A06 Classic | 24-25 Qiyuan Q05 Classic | Yida | Qiyuan A05 | 3rd-gen Eado (vertical screen) | 2nd/3rd-gen CS75 Plus | 22 UNI-T | 21-22 CS75 Plus (non-2nd-gen 75P) | 21-23 CS85 COUPE | 2025 Changan CS55PLUS PHEV
New Large-Screen Models
3rd-gen UNI-V | 4th-gen Eado | 4th-gen CS75 Plus | 4th-gen CS55 Plus | 2026 Qiyuan Q05 | 2026 CS75 Pro | 2026 Qiyuan A06 | Qiyuan Q07