Pioneer AVH-X4500BT Firmware Update Manual page 6

6. Wait until the update process is complete. When the firmware update process is completed, the
unit will display the following screen:
7. Remove the USB storage device from the USB/iPod input port.
8. Press the reset button with a pen tip or other pointed instrument.
9. Once the unit has completely powered up, turn the vehicle's key to the ACC OFF position.
10. Connect the USB storage device to your computer and delete the
locate and copy the
11. Turn the vehicle's key to the ACC ON position while simultaneously pressing and holding the
[VOL-] button and [TRK<] button. Your unit will display the "Software update" screen.
"PEH406A.bin" file onto the USB storage device.
"PDB093.bin" file, then