Can the mobile phone still be used after the Han Bang video recorder is restored to factory settings?

I can't. After the factory settings of Han Bang video recorder were restored, the mobile phone could not be used. Restoring the factory settings will erase the video content and make the phone unusable. You can copy the video content first, save it and then restore the factory settings. Han Bang Video Recorder is a product of Beijing Hanbang Hi-Tech Digital Technology Co., Ltd. ... Beijing Hanbang Hi-Tech Digital Technology Co., Ltd. is one of the companies that entered the digital video surveillance industry earlier in China, and has been focusing on product and technology research and development in the field of digital video surveillance.