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My iPhone 6 just randomly goes dark grey and we see nothing but if i click the power button twice the screen is back or wait for like 30seconds . Thanks,
The LCD is failing replace the lcd and you should be alright. You can order a Select part at mobiledefenders.com its totally worth the 30 dollars for the part to replace it and it has a lifetime warranty against defects. I can attest to there products its all i use for repairs now.
