For every people who is working in the filed of iPhone repair, high defective rate of iPhone LCD is a headache problem. By investigation, the average defective rate of iPhone LCD is about 2% to 3%. In spite of those accident, if the LCD screen from a factory is between 2% to 3%, it is normal. But this rate is really high amoung mature products. For most people, it is really hard to charge so big lose. Is there any way to reduce it? To solve this problem, we need to find the reason firstly.
As we know, defective rate of electronic product are mostly higher than other normal product. Many factors will effect the circuit inside the product, such as temperature, humidity, pressure, vibrates. iPhone LCD and other mobile phone screen are semi-finished products, they are more easy to be damaged. To reduce the defective rate, we must control all procedure of the product, including manufacture, inspection, delivery, replacement.
Few problem are caused on manufacture, for excample, the capability of LCD are not stable. While on production or inspection, it works well, but after few days, the function lose. The static or IC chip, or flex cable may cause this problem, but it is very very few. In case meet this affair, the factory will warranty all.
Some problem may be on the inspection. There may be some small fault which is not found on inspection. For excample, small spot in screen, die pixel, 3D touch problem. If those LCD are not tested carefully, bad things will happen after iPhone screen replacement.
Delivery is also a big problem. As the package on delivery always vibrate, it is easy to cause accident. Such as a screw loose, a flex cable loose, a glass is shocked... If a screen works well in inspection, but it is out of work after delivery, it is not strange. To reduce problem, we need to pack the LCD well, and carry them more carefully.
The final process is on iPhone screen replacement. Bad operation may cause damage to the LCD. If the repair man don't hold the LCD correctly, he may press and damage the screen corner. The corner of iPhone LCD are fragile, it is very easy to casue touching problem.
To reduce defective, we must test those iPhone LCD more carefully, ensure good quality product before shipping. Then pack the LCD with good package, and carry them carefully. After get the package, customers should handle them correctly. After all, we can control the defective rate to about 2%.
How to deal with the 2% defective iPhone LCD? No worry about them, iphone-part.com offer 12 months warranty to all it's product. We will make fully exchange for you.