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原帖由: Galal Eltahan ,

标题:

Help ...My JVC KW-V820BT stuck with firmware upgrade

文本:

My JVC KW-V820BT stuck with  firmware upgrade and keeps restarting and not opening the main screen.

How can I reset it back to the original firmware or reset it?

设备:

JVC KW-V820BT

状态:

open