whats best degreaser to use do you think mate

i used green plastic thing mate

yea but even when i plug old screen back in it does it too yet the old screen worked just had cracks in the glass

yes done that im completely brain dead with ideas about it

hi there people new to the forum and need help asap i just replaced a iphone 4 black screen the phone was working before since replacing it all what works is the backlight on the screen help me please