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Discussion Starter · #1 ·
I visited the Pioneer website and downloaded the latest firmware file to update my VSX-534 HT receiver. I followed the firmware update instructions but I always get the error message: *-70.

According to the user manual, this error code means: "The USB storage device cannot be recognized, the firmware file is not present in the root folder of the USB storage device, or the firmware file is for another model. Check if the USB storage device or USB cable is securely inserted to the POWER OUT port of the unit."

My USB device was formatted as FAT32 system (2GB) and the firmware file was saved in the root folder. So, what's the problem? How can I update my device?

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