Reliable Fix for iPhone 4 Proximity Sensors
When the iPhone 4 was released in June of 2010, it wasn’t without it’s share of glitches. The first reported glitch was with the iPhone 4’s wireless 3G antenna. This was suspected to cause poor reception and a high volume of dropped calls. The next reported issue was with the iPhone 4’s proximity sensor. Apple addressed this problem on the software level, with the release of iOS 4.1.
Since the iOS 4.1 release, there have been many questions as to whether or not the update resolved the iPhone 4 proximity sensor issue once and for all. From my own experience, I haven’t had any complaints since this software update was made public.
Some of you may be wondering, “What in the world is a proximity sensor is and what function does it serve?” Without getting too involved, every iPhone (including the original iPhone 2G, 3G and 3GS models) have a proximity sensor. This sensor emits an infrared (IR) light that detects the presence of a solid object (such as a head or hand), while you have a call in progress, or while you are listening to a voicemail. When it detects a solid object, it turns your iPhone’s LCD panel off. This is a function you’ll probably never miss until it’s no longer working.
The function of the proximity sensor actually has two distinct advantages. First, you aren’t muting your phone, accidentally pushing buttons, or hanging up on your callers with your cheek. The other advantage is that it conserves power consumption and improves your phone’s battery life in between charging cycles.
As an Apple Certified Macintosh Technician who makes a living supporting and fixing Apple products, this is an issue that could not be ignored. The reputation of my business hung in the balance of being able to find a reliable and professional solution for this problem. I’ve done extensive research and testing on this topic and feel like I’ve made significant headway in resolving this annoying glitch..
In the four years that I’ve been repairing iPhones, it’s only been iphone screen repair recently that I’ve began experiencing the problems that have been widely documented and reported. Since the release of iOS 4.1, I haven’t seen any cases in which the iPhone’s proximity sensor malfunctioned on a phone that hadn’t been modified. When I say “modified” I mean a phone that has undergone a color conversion, or one that the front glass and LCD had been replaced due to the phone being dropped and having the original glass broken. I noticed that the occurrence was more apparent after a color conversions had been performed.