For iPhone 4S Proximity Light Sensor UV film & foam sticker for solving your light proximity sensor issues.

1.Sometimes after you replaced a LCD Screen digitizer assembly,the light proximity sensor function is invalid.To fix this problem,you need the sticker pasted on your light proximity sonsor flex cable.

2.If your for iphone is still lighting when you make a call and put it on your ear, it will waste your electricity. So stick the for iphone 4S Proximity Light foam sticker on the digitizer can make your for iphone put out.For iPhone 4S proximity light sensor can save elxctricity for you and make little radiation to you.