While specific steps vary by device, the general process usually involves: AN12829 - Firmware Upgrade Using KM35Z512

: Specifically used for updating GPS and other specialized receivers. Teensy Loader : Used to program Teensy development boards.

: For STMicroelectronics parts, often used to flash firmware via serial/UART.

If your device uses standard microcontrollers, you may need one of the following official tools:

: A specific guide-based tool for downloading firmware from a PC to a set-top box using a null modem cable. General Flashing Procedure

: A common utility for various hardware brands like Trimble to upgrade receiver firmware.