Apple's marketing, developing from the success of iPod campaigns, allowed the phone to become a mass-market product with many buyers on launch day. Some market research has found that, unusually for a technology product, iPhone users are disproportionately female. When then-CEO of Research in Motion Mike Lazaridis pried open an iPhone, his impression was of a Mac stuffed into a cellphone, as it used much more memory and processing power than the smartphones on the market at the time. The dominant mobile operating systems at the time such as Symbian , BlackBerry OS , and Windows Mobile were not designed to handle additional tasks beyond communication and basic functions.
These operating systems never focused on applications and developers, and due to infighting among manufacturers as well as the complexity of developing on their low-memory hardware, they never developed a thriving ecosystem like Apple's App Store or Android 's Google Play.
The iPhone's success has led to a decline in sales of high-end fashion phones and business-oriented smartphones such as Vertu and BlackBerry , as well as Nokia. It ultimately agreed to a technology-sharing deal and then a takeover from Microsoft. Prior to the iPhone, "Handsets were viewed largely as cheap, disposable lures, massively subsidized to snare subscribers and lock them into using the carriers' proprietary services. By contrast, Google has allowed carriers and OEMs to dictate the "pace of upgrades and pre-load phones with their own software on top of Android ".
As a result, many Android OEMs often lag months behind Google's release of the next iteration of Android; although Nexus and Pixel devices are guaranteed two years of operating system updates and a third addition year for security. However, Apple has supported older iterations of iPhones for over four years. In December , there were reports that Apple has been using a policy of slowing down the speed of its older iPhones when issuing operating system upgrades.
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Up to the iPhone 4 , all iPhone models, as well as other iOS devices were manufactured exclusively by Foxconn , based in Taiwan. In , after Tim Cook became CEO of the company, Apple changed its outsourcing strategy, for the first time increasing its supply partners. The iPhone 4s in was the first model which was manufactured simultaneously by two stand-alone companies: Foxconn as well as Pegatron , also based in Taiwan.
The 6 Plus model is being produced solely by Foxconn. The iPhone 5 model's screen results in an aspect ratio of approximately The touch and gesture features of the iPhone are based on technology originally developed by FingerWorks. The iPhone 3GS and later also feature a fingerprint -resistant oleophobic coating. The iPhone has a minimal hardware user interface, with most models featuring five buttons. The only physical menu button is situated directly below the display, and is called the "Home button" because its primary function is to close the active app and navigates to the home screen of the interface.
Earlier models included a rounded square , reminiscent of the shape of icons on the home screen, however, new models which include Apple's fingerprint recognition feature Touch ID which use the Home button as the fingerprint sensor have no symbol. It serves as the unit's power button, and also controls phone calls. Situated on the left spine are the volume adjustment controls. The iPhone 4 has two separate circular buttons to increase and decrease the volume; all earlier models house two switches under a single plastic panel, known as a rocker switch, which could reasonably be counted as either one or two buttons.
This switch does not mute alarm sounds from the Clock application, and in some countries or regions it will not mute the camera shutter or Voice Memo sound effects. The touchscreen furnishes the remainder of the user interface. A software update in January [] allowed the first-generation iPhone to use cell tower and Wi-Fi network locations trilateration , [] despite lacking GPS hardware. Since the iPhone 8 it supports Galileo.
The iPhone 6S and 6S Plus, introduced in , feature 3D Touch displays which allows the screen to recognize how hard it is being pressed using pressure sensitive multi-touch technology. Haptic touch retains some of 3D Touch's features but is based on a long press instead of a hard press. A proximity sensor deactivates the display and touchscreen when the device is brought near the face during a call. This is done to save battery power and to prevent inadvertent inputs from the user's face and ears. An ambient light sensor adjusts the display brightness which saves battery power and prevents the screen from being too bright or too dark.
A 3-axis accelerometer senses the orientation of the phone and changes the screen accordingly, allowing the user to easily switch between portrait and landscape mode. The 3. It is also used for fitness tracking purposes, primarily as a pedometer. Starting with the iPhone 5S, this functionality was included in the M7 Motion coprocessor and subsequent revisions of the embedded chip.
A magnetometer is built-in since the iPhone 3GS, which is used to measure the strength and direction of the magnetic field in the vicinity of the device. Sometimes certain devices or radio signals can interfere with the magnetometer requiring users to either move away from the interference or re-calibrate by moving the device in a figure-eight motion.
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Since the iPhone 3GS, the iPhone also features a Compass app, which was unique at time of release, showing a compass that points in the direction of the magnetic field. Beginning with the iPhone 4, Apple's smartphones also include a gyroscopic sensor , enhancing its perception of how it is moved. Some previous iPhone models contained a chip capable of receiving radio signals ; [] however, Apple has the FM radio feature switched off because there was no antenna connected to the chip.
Later iterations of the iPhone starting with the iPhone 7 , however, do not contain radio chips at all. Until , iPhone models starting from iPhone 5S excluding the iPhone 5C featured Apple's fingerprint recognition sensor. It is located in the home button. Included on the iPhone 6 and later excluding the iPhone SE , a barometer used to determine air pressure, and elevation from the device. Starting with the iPhone X , a facial recognition sensor, named the TrueDepth camera system is featured.
It is used for unlocking the device and for authenticating purchases using Face ID. It can also be used for Animojis and AR. On the bottom of the iPhone, there is a speaker to the left of the dock connector and a microphone to the right. There is an additional loudspeaker above the screen that serves as an earpiece during phone calls. The iPhone 4 includes an additional microphone at the top of the unit for noise cancellation , and switches the placement of the microphone and speaker on the base on the unit—the speaker is on the right.
Cars equipped with an auxiliary jack allow handsfree use of the iPhone while driving as a substitute for Bluetooth. The iPhone 7 and later have no 3. Apple's own headset has a multipurpose button near the microphone that can play or pause music, skip tracks, and answer or end phone calls without touching the iPhone. Some third-party headsets designed for the iPhone also include the microphone and control button.
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Stereo audio was added in the 3. Composite [] or component [] video at up to i and stereo audio can be output from the dock connector using an adapter sold by Apple. The iPhone did not support voice recording until the 3. The iPhone features an internal rechargeable lithium-ion battery.
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Like an iPod, but unlike most other mobile phones at the time of its launch, the battery is not user-replaceable. Alternatively, a USB to AC adapter or "wall charger", also included can be connected to the cable to charge directly from an AC outlet. Some models of the iPhone support wireless charging. Apple runs tests on preproduction units to determine battery life.
The battery life of early models of the iPhone has been criticized by several technology journalists as insufficient and less than Apple's claims. Power and Associates customer satisfaction survey, which gave the "battery aspects" of the iPhone 3G its lowest rating of two out of five stars. If the battery malfunctions or dies prematurely, the phone can be returned to Apple and replaced for free while still under warranty.
The battery replacement service and its pricing was not made known to buyers until the day the product was launched; [] [] it is similar to how Apple and third parties replace batteries for iPods. Since July , third-party battery replacement kits have been available [] at a much lower price than Apple's own battery replacement program. These kits often include a small screwdriver and an instruction leaflet, but as with many newer iPod models the battery in the first generation iPhone has been soldered in.
Therefore, a soldering iron is required to install the new battery. The iPhone 3G uses a different battery fitted with a connector that is easier to replace.
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A patent filed by the corporation, published in late July , revealed the development of a new iPhone battery system that uses location data in combination with data on the user's habits to moderate the handsets power settings accordingly. Apple is working towards a power management system that will provide features such as the ability to estimate the length of time a user will be away from a power source to modify energy usage and a detection function that adjusts the charging rate to best suit the type of power source that is being used.
On December 28, , amidst many complaints about older iPhone models slowing down when new ones are released, Apple released a communication to its customers on its website, acknowledging the effect that old batteries have on the iPhone's performance. The first-generation iPhone and iPhone 3G have a fixed-focus 2. It has no optical zoom, flash or autofocus , and does not natively support video recording. Video recording is possible on the first-generation iPhone and iPhone 3G via a third-party app available on the App Store or through jailbreaking.
The iPhone 3GS has a 3. The iPhone 4 introduced a 5. It also has a backside-illuminated sensor that can capture pictures in low light and an LED flash that can stay lit while recording video. Saved recordings may be synced to the host computer, attached to email, or where supported sent by MMS.
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The iPhone 4S' camera can shoot 8-MP stills and p video, can be accessed directly from the lock screen, and can be triggered using the volume-up button as a shutter trigger. The built-in gyroscope can stabilize the image while recording video. The iPhone 5 and iPhone 4S , running iOS 6 or later, can take panoramas using the built-in camera app, [] and the iPhone 5 can also take still photos while recording video. The camera on the iPhone 5 reportedly shows purple haze when the light source is just out of frame, [] although Consumer Reports said it "is no more prone to purple hazing on photos shot into a bright light source than its predecessor or than several Android phones with fine cameras On all five model generations, the phone can be configured to bring up the camera app by quickly pressing the home key twice.
The iPhone 5S features True Tone Flash, which has two LED lights, white and amber, that will improve white balance and will be adjusted in 1, combinations. Its image sensor is now 15 percent larger than its previous model.
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Both models can shoot p videos at 60 frames per second. With the release of iOS 8 , the iPhone 4S and later models can now shoot time-lapse videos, with its capability to switch frame rates automatically as the recording increases its time. The front-facing camera is upgraded to 5 megapixels. The user may change the resolution between 4K and p in Settings. The iPhone 7 features optical image stabilization on its rear camera, a feature that was previously exclusive to the Plus models, and the 7 Plus is the first iPhone to feature dual-lens cameras both 12 MP. Both models have a 7 MP front-facing camera.