The White iPhone 4 has taken a long time to arrive after the launch of the iPhone 4 and recent reports tell us why it has taken so long. According to a complete teardown the White iPhone 4 conducted by an unknown source shows us that the Lens of the camera has been modified and a new Proximity Sensor has been added.
Why have these changes been made? Well, evidently the White iPhone 4 had leaking issues when in testing due to the slightly translucent state of the white material used in the manufacture.
You see, the material is made of glass and hence it used to cause blurriness in the photos taken using the camera. Thus, the lens had to be modified, and as you can see in the image above, the sensor has been moved back a little to stop any leak or light issues.
The material used also had problems with UV rays, hence more time has gone into getting rid of all the problems with the White iPhone 4 parts. The Proximity Sensor on the White iPhone 4 has been completely changed and Apple have even done modifications to how it is placed on the front face of the phone.
If you have a black piece of foam tape, you can cut a small strip to run between the two sensors. It needs to be thick enough so that when you place the glass back onto the frame, the foam touches the glass and separates the light from the two sensors completely! Hope this helps! Anyway here is my story i changed my screen multiple times with ifixit ones and chinese ones and with that screens proximity wasn't an issue for me but one day my power button stopped working and i had to change my proximity sensor ribbon.
And after that i was never able to make my proxity sensor work again. So i tried all of the sensors without putting it to the phone case and wow i realized that all of them working outside the case with the direct light. So all of the theories in here assuming that your proximity sensors are not working because it is absorbing so much light into it. But my expirement proved that it is completely wrong. So according to this can anyone explain why this proximity sensor is not working?
See my post below about my post above. I know it seems unlikely but it worked immediently when everything else failed gasket and sharipe both. I'm getting this same issue. I have a white iPhone and I've only replaced the screen. The proximity sensor doesn't work anymore but when it is out of the frame it works fine. Does anyone know why this is happening? I've tried the sharpie, there was a foam pad already around the front of the frame.
I've put electrical tape too and it's not seeming like it's working. I bought months ago a white screen with "oval window" to convert my black iPhone 4 into white, and then the proximity sensor worked fine.
I bought the same replacement part, but now the proximity sensor is not working. The problem is the glass.. White Conversion Proximity Sensor on 4.
This is weird because I have made a lot of conversions around 50 and I only have had the problem with the original white around 5. The proximity sensors on the white iPhone 4s are different or at least behave differently than the sensors on their black counterparts. The reason that I know this is that I had a white one. I quickly installed it in an Otter Box. The proximity sensor was intermitant at best. I called Otter Box and was told that this was a known issue with the white iPhone 4s and that my best bet if I wanted to use eir product was to get a black phone.
That's just what I did and it worked out great. My wife has replaced her Black iPhone 4 3 times so far and each time she has had an issue with her proximity sensor. At first I thought it may have been something she was doing until it started happening right in front of my eyes. Her latest exchange just did it today in fact.
Phone was stuck to her cheek and all of the sudden she muted her Father twice. We have no idea what it is. I'm beginning to think that's it's just a faulty hardware part on the iPhone 4 since lots of people have had the problem. My buddies iPhone 4's multiple had the problem as well. Went away when he got the 4s. Oh and she has always had the latest updates. The worst part is, the employees at the Apple Stories are either oblivious to the proximity sensor issues OR act like they know nothing of it.
At this point she's going to live with it until the next iPhone comes out. Alan and Bronwyn Walker. I had an Iphone 3G for over 2 years without a problem and upgraded to Iphone 4 and had constant problems with the proximity sensor - muting callers, putting them on speaker and even worse, adding callers on Facetime while on a call. The phone was replaced and the same problems occurred. Today I have changed phone carrier and got an Iphone 4S and guess what?
The same problem. Three lots of muting and Facetime calling in a short phone call. I have used the same case for all of these phones. Is it time to give up on Iphones or can they fix these problems? If I hadn't had the 3G version for so long, I might have thought I was doing something to cause the problem.
Obviously, the software was up to date in all of these phones. I noticed that Siri raise and speak worked fine until I put my protective case on the phone. Although the phone case has cut-outs for the sensor, Siri would not work with the case.
I trimmed some of the case next to the sensor and now it works fine. Obviously the sensor has a broad view and must have a larger opening than my case had to see through. If you have added any type of case to your phone, trying taking it off and see if Siri works without it. The separator between the 2 sensors is the only thing that has actually worked. The key is for it to be thick, like you said. Thick enough to have it press back against the front LCD.
If using electrical tape, you probably need more. It needs to show that it presses back a little bit when you put the LCD on before screwing it on. I dont think so, as I believe its only the thickness of the center divider that matters. Cut a piece on the side the form a strip, just slightly longer than the center area btwn the sensors.
Placed that in the center. This was the right amount of thickness, and now my proximity sensor work from like 1 inch away :D. This is the ONLY thing that actually worked.
I got a very very very subtle working but not good enough when surrounding it with the black foam. But that is because it was like a small divider but too small to take effect. I dont know why the foam divider is needed, and why it has to be thick, but perhaps you are right - the sensors are confusing each other. I dont think it is the backlight though from the LCD. I have Dimmer a jailbreak app , and I an almost fully turn the backlight down so low that the screen looks off - and yet the prox sensor still failed to function.
I think it may be how one of them or both works - possible some kind of IR? So my theory is the separate is truly keeping them separate.
I have to add this sht works when all else failed. The UX lens thing, the sharpie thing, even the foam gasket off eBay all failed on two original white iPhone 4 devices. But stacking TWO foam gaskets on top of each other did the trick. Thanks man for the post! The gasket nor sharpie worked for me.
Anyone who says that this is because of light can try to make proximity sensor work out side the case in a bright room. So i am waiting for the parts Without any foams, uv filters or something. The problem occours when the distance between front glass screen and the metal frame is so close.
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