Firmware Update: Browser
How to flash your DevKitty through Google Chrome
WebSerial is an experimental feature that only works in Chrome-based browsers.
Step 1: Downloads
- Download the Chrome Browser
- Download the latest DevKitty Firmware
Step 2: Place Your DevKitty in Flash Mode
Next, you’ll have to place your DevKitty into DFU (Device Firmware Upgrade) mode! You can do this in 2 ways:
Option 1:
- Plug the DevKitty into your computer
- Hold down the 0button
- Tap & Release the RSTbutton
Option 2:
- Hold down the 0button
- Plug in the DevKitty
- Release the 0button

Step 3: Flashing
- Open the Web Flasher Application in a Chrome browser!
- Connect to Your DevKitty, which identifies as an ESP32-S2device
- Upload your DevKitty .binfirmware file!


Step 6: Once connected, click “Erase” & confirm.


Congrats! Your DevKitty is ready to hack.
Plug in your DevKitty and watch it mount as a flash drive. You can open the drive to explore preinstalled payloads and begin to add your own.
You can also connect via the web interface and run payloads from any device! The network name is DevKitty and the password is DevKitty123 to connect. Once connected, navigate to 192.168.4.1 in a browser.