Sorry guys after code review I didn't find the backdoor in @OPPO devices.
However I find an interesting intent. Someone can try: adb shell am broadcast -a android.intent.action.LOCKSREEN_ENGINEERINGMODE?
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I looked around on a LG G6 and there is no trace of EngineerMode, which means that its definitely possible for OEMs to do that and some seem to be aware that you shouldn't ship this apk in production
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Don't be too fast, maybe the name if different :)
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So there is no engineermode or something named similarly in any system folder and also nothing shows as installed there is also no libdoor.so in any system lib dir it seems that device is clean
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I think Vivo phones might also have it. As OPPO, Vivo, OnePlus belong to same parent company.
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From a quick poke around today after your tweets, I've noticed that most qualcomm devices have it, amd same passwords, seems to be bit of a theme going on
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Only if we're running OxygenOS?
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