I have replaced ongly glass of my phone (Galaxy S4 I9505) screen and the LCD does not light up any more. It is not my first time of glass replacemant. Ofter removing old glass and cleaning the LCD was working fine but after I applied UV glue and glued new glass the LCD stopped working. No hard pressure was applied. So I am wondering what could happen is there any way to fix it ?
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LOCA glue touched insite the lcd and backlight.
Damaged lcd, you have to replace it.
You can do a only glass replacment on Samsung using only tape i think.
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Tape is the only thing I use. However, Ive seen a video where a guy removes just the glass of the face of an S3 (never took the phone apart) using a hotgun. He cleaned the LCD, applied LOCA...then cured it. It worked great....... but to me....thats the worse thing you can do. That "uncured" glue is now running all inside his phone and will ruin something soon. And when it does, the customer will bring it back and you'll be SOL trying to get all that unused glue off all those parts inside that phone. I personally would never do it that way
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