Download firmware for Double DIN 7 Inch Car DVD Player 'Road Hog' from here or from here.
Archive name: c186_JQA4_20131209_leima_A4_3G
Model: Double DIN 7 Inch Car DVD Player 'Road Hog' CVJY-C186
Arcgive size: 35,4 MB
Image file: JQA4.pkg
ADS HERE !!!