{
  "added_at": "2026-11-08",
  "additional_evidence_urls": [
    "https://github.com/chartmann1590/chronos-revived/blob/5a64ac54de931f7da2e7a8ff963aea5146ca6f3b/PROTOCOL.md"
  ],
  "category": "reconstruction-cases",
  "class": "hardware",
  "description_en": "Chronos Revived replaces the discontinued Android companion app for the Chronos smart disc using its recovered Bluetooth LE protocol. It handles notifications, steps, battery status and gestures, and can flash firmware supplied from the user's original APK. The protocol notes map GATT services, status bits, commands and device hardware identified from firmware analysis.",
  "description_zh": "Chronos Revived 利用恢复出的 Bluetooth LE 协议，替代已停用的 Chronos 智能腕表配件 Android 应用，处理通知、步数、电池状态和手势，并可从用户提供的原版 APK 取得固件进行刷写。协议文档整理了 GATT 服务、状态位、命令及固件分析所得的硬件信息。",
  "entry_url": "https://awesomerea.org/resources/chronos-revived-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/chronos-revived-case/",
  "evidence_class": 1,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/chartmann1590/chronos-revived/blob/5a64ac54de931f7da2e7a8ff963aea5146ca6f3b/README.md",
  "group": "cases",
  "id": "chronos-revived-case",
  "json_url": "https://awesomerea.org/resources/chronos-revived-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/chronos-revived-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/chronos-revived-case/index.md",
  "name": "Chronos Revived: an Android client for the recovered smart disc BLE protocol",
  "name_zh": "Chronos Revived：基于智能腕表配件 BLE 协议的 Android 客户端",
  "preview_kind": "image",
  "preview_url": "https://awesomerea.org/previews/chronos-revived-case.webp",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "prerequisites",
    "limits",
    "license"
  ],
  "requirements": [
    "Android 8.0 or newer, Bluetooth LE and a Chronos smart disc are required.",
    "Firmware installation requires the user's copy of the original Chronos APK.",
    "The app currently supports Android only.",
    "MIT license."
  ],
  "requirements_zh": [
    "需要 Android 8.0 或更新版本、Bluetooth LE 及 Chronos 智能腕表配件。",
    "安装固件需要用户自行提供原版 Chronos APK。",
    "目前仅支持 Android。",
    "采用 MIT 许可证。"
  ],
  "scope": "partial",
  "targets": [
    "firmware",
    "protocol"
  ],
  "url": "https://github.com/chartmann1590/chronos-revived",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}