# DingTalk A1 Local Toolkit: reconstructing BLE recording access

> DingTalk A1 Local Toolkit reconstructs the recorder's BLE authentication and recording-transfer exchange for local access from Windows or Linux. Its Python tools read device status and recording indexes, download recordings, and convert BABA/DTYJ Opus containers to Ogg/Opus.

- Type: Case study
- Targets: Protocol
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-08
- Added to the catalog: 2026-11-08
- Original resource: <https://github.com/Shawn-TKD/dingtalk-a1-pc-tools>
- Primary source: <https://github.com/Shawn-TKD/dingtalk-a1-pc-tools/blob/708256ca4cb812abaff37c7b08af4363fa6ae3cc/README.md>
- Catalog page: <https://awesomerea.org/resources/dingtalk-a1-local-toolkit-case/>
- Record JSON: <https://awesomerea.org/resources/dingtalk-a1-local-toolkit-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/dingtalk-a1-local-toolkit-case/index.md)

## Requirements & limits

- **Prerequisites:** Python 3.11+, computer Bluetooth, and an A1 device the user is authorized to use.
- **Prerequisites:** Device configuration requires credentials from the user's own DingTalk session.
- **Limits:** Wi-Fi AP recording transfer is not implemented.
- **License:** MIT License.

## Primary sources

1. <https://github.com/Shawn-TKD/dingtalk-a1-pc-tools/blob/708256ca4cb812abaff37c7b08af4363fa6ae3cc/README.md>
2. <https://github.com/Shawn-TKD/dingtalk-a1-pc-tools/blob/708256ca4cb812abaff37c7b08af4363fa6ae3cc/docs/PROTOCOL.md>

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## About this entry

The description was reviewed against primary sources.
Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.