[Open Thread] Fix SP Flash tool errors and problems

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If any help can be given it will be greatly appreciated. I bought the goophone i6 metal back mtk6582. I tried to flash to stock andriod but of course failed. i get stuck in a bootloop and if i press the pinhole thing between the camera it just turns to a alluminated blank black screen. the guy in china dhgate in which i bought it from insists all i need to do is charge it for 8 hours and press the pinhole and it will start working again. i just need this phone working but really need someone face to face to talk to on vid perhaps to see what i am seeing and walk me throught this.please someone help me out. on another note i tried flashing wth sptools and when i connect nothing happens, yes i have all drivers installed and i did the press the vol button while connecting it
please save me