Pioneer AVH-X3700BHS System Firmware Update Instructions - Page 3
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2. Extract the download file.
The Downloaded zip file will produce the following file when decompressed: （See the table below）
AVH-X5700BHS
AVH-X4700BS
AVH-X3700BHS
AVH-X2700BS
AVH-X1700S
B. Updating the Firmware on Your Unit
IMPORTANT
AVH-X5700BHS
AVH-X4700BS
AVH-X3700BHS
AVH-X2700BS
AVH-X1700S
DO NOT perform this firmware update if the model number of your Pioneer DVD Receiver is anything
other than one of the above models.
Ensure that the update file is located within the root (top) folder of your USB storage device. There should
be no other files within the USB storage device.
While your unit is being updated, DO NOT turn off the system's power and DO NOT touch the unit's
touchscreen as this may result in severe damage to your unit.
DO NOT remove the USB storage device during the firmware update process.
Disconnect any external mobile devices that are currently connected to your unit.
PROCEDURE
1. Connect a blank (formatted) USB storage device to your computer, and then locate and copy the
"PEH443D.AVH" file onto the USB storage device.（See the table below）
AVH-X5700BHS
AVH-X4700BS
AVH-X3700BHS
AVH-X2700BS
AVH-X1700S
2. Start the vehicle engine.
3. Connect the USB storage device to the USB input on your unit.
4. Press the [Home] button.
5. Touch the [AV source] & touch [Off] to source
PEH443D.AVH
PEH443D.AVH
Off.