Hi Pro 2 Firmware Update =link= Here

After the flash is complete, the unit will restart. Watch the LEDs on the front panel; they should flash once to indicate a successful self-test. Troubleshooting Common Update Issues OPN firmware upgrade issues - Hearing Aid Forum

Support for the newest hearing aid models and digital circuits. hi pro 2 firmware update

If an update is available, a "Performance Update" or "Firmware Upgrade" notification will usually appear. Click Update and follow the prompts. After the flash is complete, the unit will restart

Plug your HI-PRO 2 into a high-speed USB 2.0 port. Avoid using unpowered USB hubs, as they may not provide the 500mA required for a stable update. After the flash is complete