Pioneer AVH-4000NEX Firmware Update Manual - Page 4
Browse online or download pdf Firmware Update Manual for Car Receiver Pioneer AVH-4000NEX. Pioneer AVH-4000NEX 6 pages. System firmware update instructions
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10. Touch [Firmware Update].
The "Firmware Update" screen appears.
11. Touch [Continue] to display the data transfer mode.
Wait for the file check to finish.