meta-pass · USB Slot Installer

Write a child firmware into slot 0 / 1 / 2 over USB serial (Chrome + Web Serial).

Hold UP while powering on to enter download mode, then plug in the USB cable.

1. Connect

Web Serial is not available in this browser/context. Use desktop Chrome or Edge and open this page via http://localhost:4191 (a secure context). Headless or non-Chromium browsers cannot access the serial port.

2. Select slot

Slot 0 0x180000 Slot 1 0x360000 Slot 2 0x560000

3. Firmware source

4. Install

Display name (optional, shown in the device menu):

meta-pass · USB Slot Installer

1. Connect

2. Select slot

3. Firmware source

4. Install

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