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Okay so I have a few of these MK812 android mini PCs that I am setting up for delivering media content to various people, the problem I am having is the end-user skillset ranges from programming god to completely new user (what is a mouse?). The minimize notification bar button that is present by default has caused considerable problems thus far with only 2 of these things installed. And I just received orders to install 10 more!! So how on earth can I get rid of the double down arrow button on the notification bar so that you can no longer hide the notification bar. (Refer to attached image, I am referring to the circled icon). Please help me, I do not have access to the original firmware (the company that sold these too many are from China and refuse to give it to me.) I do have the device itself, it is rooted. I am quite competent when it comes to making changes to the Android device. I just need some direction on how to remove these things. Thank you so very much in advance.