Pioneer DMH-ZS9350BT System Firmware Update Instructions - Page 7
Browse online or download pdf System Firmware Update Instructions for Receiver Pioneer DMH-ZS9350BT. Pioneer DMH-ZS9350BT 10 pages. In-dash av receivers
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9.
Read the "WARNING," then touch the [Start] button to start the update process.
If it shows "ERROR" on the display, try another USB device.
Version up will start.
10. The progress is displayed during the updating.
DO NOT turn your unit off or eject the USB storage device while the firmware is being updated.