Pioneer AVH-4000NEX Firmware Update Manual - Page 6
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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The "System" screen appears
3.
Scroll down the list.
4.
Touch [System Information].
5.
Touch [Firmware Information].
After the "Firmware Information" screen appears, verify that the firmware version is 1.09.
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