Pioneer AVH-X4500BT Firmware Update Manual - Page 7

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Pioneer AVH-X4500BT Firmware Update Manual
12. Read the terms and conditions carefully and verify the details again.
13. Connect the USB storage device to the USB/iPod input port.
Your unit will automatically recognize the PEH software update file.
14. The unit will display the current PEH version as well as the update version contained on the
USB storage device. Confirm that the version shown on the right side of the screen is Ver.
"08.11".