tyutool V3 Usage Guide

Welcome

tyutool is a desktop GUI and command-line tool for flashing firmware, serial debugging, and batch authorization of Tuya ecosystem IoT devices.

New here?

If this is your first time, start with Getting Started — a 5–10 minute linear walkthrough from download to your first successful flash.

Feature guide

Explore each capability below:

⚡Firmware FlashFlash, read, and erase the flash chip.

🖥️Serial DebugSend and receive serial data in real time and inspect device logs.

⚙️SettingsConfigure update, appearance, diagnostics, and log options.

🏭Batch Flash & AuthFlash firmware and write authorization codes to many devices in parallel.

⌨️Command LineThe complete tyutool CLI reference.

❓FAQSymptom-first troubleshooting and fixes.