Mr 831 datasheet 7404
I have the same problem with my brand new TMobile Galaxy Note 2 where proximity sensor does require a lot of ambient light in order to switch the screen on and off during the call. I noticed that the screen protector is part of the problem so I removed it and it helped a bit but not always. Buy BlastCase Wireless Mirror Screen Protector for Samsung Galaxy S3 I9300: Screen Protectors - Amazon.com FREE DELIVERY possible on eligible purchases Find many great new & used options and get the best deals for Samsung Sm-t837t Galaxy Tab S4 64 GB at the best online prices at eBay! ... Ambient Light Sensor ... Forum Noob here, I was using my Galaxy S3 (Wind) and all of a sudden the screen went black and it turned off. Something similar had happened a couple hours before and the phone wouldn't turn on through the power button so I simply took out the battery and put it back in and it worked.