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Pioneer AVH-4201NEX Double-DIN Multimedia DVD Car Stereo with 7" WVGA Touchscreen Display with Android Auto/Apple Carplay/Backup Camera
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8.
Touch [Firmware Update].
The “Firmware Update” screen
appears.
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Touch [Continue] to display the data t
ransfer mode.
W
ai
t for t
he file check to f
inish.
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