Case study

device-reveng: rebuilding a Choiceway GT6-EAU head unit stack

device-reveng investigates a Choiceway GT6-EAU Android car head unit and rebuilds its launcher and operating-system layer. Findings on OEM applications, AIDL interfaces, camera behavior and the MCU serial link support a Kotlin/Compose launcher and Riposte OS images assembled from the owner's firmware backup.

Targets: App · Firmware · Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06

Stars: 7
Last commit: 2026-10-28
Language: Kotlin
License (GitHub): Apache-2.0

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: A Choiceway or AiNavi GT6-EAU unit; the documented configuration uses QCM6125 and Android 13 stock firmware.
Prerequisites: JDK 17 and Android SDK platform 34 to build the launcher.
Limits: Riposte OS requires a backup of the unit's own firmware; some car checks remain pending.
License: Apache-2.0.

Cite

BibTeX

@misc{device-reveng-head-unit-case,
  title = {{device-reveng: rebuilding a Choiceway GT6-EAU head unit stack}},
  howpublished = {\url{https://github.com/armeehn/device-reveng}},
  url = {https://github.com/armeehn/device-reveng},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/device-reveng-head-unit-case/}}
}

Plain text

device-reveng: rebuilding a Choiceway GT6-EAU head unit stack. https://github.com/armeehn/device-reveng (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/device-reveng-head-unit-case/

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About this entry

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Primary sources

README.md GitHub · armeehn/device-reveng · Revision b5c07f6
FINDINGS.md GitHub · armeehn/device-reveng · Revision b5c07f6
LICENSE GitHub · armeehn/device-reveng · Revision b5c07f6