This solution covers for hardware level of repair for Samsung Galaxy S4 GT-I9500 Display Problem and Also you will find GT-I9500 Display Ways and Jumpers information in the diagrams in this article.
Just see the solution preview below for it shows which components needs to be check and replace if the there is No Display Working on phone or Display problem of the I9500 goes wrong. This solution may help if you already done a software calibration method and tried replacing the Display but the problem continues.
Do these solutions step by step.
This solution may help for a water or wet damaged and accidentally, heavily dropped phones.
The Problem occur because of faulty Display or bad it’s connection to the Mobile Phone’s PCBA Motherboard.
You Can Use any cleaning liquid for this purpose like CTC or any other you prefer.
Here is the Solution for Samsung Galaxy S4 I9500 Display Problem Ways.
Samsung GT-I9500 Display ways solution
Hints to fix Display Problem Repair Solution:
Check the display connecting, clean it, rework or re-solder it if necessary. .
Check the display or change the new display.
Check the display ways(Marked in above image)
If display ways already checked and seems nothing wrong, the problem possibly exist on those component check & replace it.
Samsung Gt-I9500 Backlight Ic