Good news! We have got the easy way to update your Tronsmart Car DVR 2000B tested by Geekbuying.
First,you should format your TF Card.Then ,copy the stock firmware to your TF Card,and open your DVR, it can update itself automatically.
Stock firmware download link: http://www.mediafire.com/download/j26e6tgvck2t9ye/2000B_4AW.rar
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