Press and hold the button (or the first physical button on some models) while turning the power switch to the ON position.
Restart the device normally. It may prompt you to format the internal storage as FAT. Connect it to your PC again (normal mode, not DFU).
Copy the contents of the or la104apps folder from your firmware zip file into the root of the device. Troubleshooting Common Issues YouTube·RunTime Recruitment LA104 Logic Analyzer Review la104 firmware work
The screen should display a "DFU" status, and your PC will recognize a new removable disk named . 2. Flash the .HEX File
The is a versatile pocket logic analyzer, but many users find that the stock firmware limits its full potential. To make the LA104 "work" effectively for modern debugging—including protocol analysis like I2C, SPI, and UART—upgrading to custom or updated official firmware is often necessary. Why Upgrade Your LA104 Firmware? Press and hold the button (or the first
Faster boot times and better menu navigation using the rotary wheels.
While the original device is capable of 100MHz sampling, the default interface can be clunky. Custom firmware, such as those from developers like Gabriel (gabonator) and Ralim , offers several advantages: Connect it to your PC again (normal mode, not DFU)
If you are installing a custom operating system (like the gabonator version), you must also copy the app folder: