This Is How Apple's New IPhone Trade-In Program Works

how iphone works
The rumored Apple trade-in program has gone live. Now you can take your old and tired iPhone and trade it in for a new iPhone. But you have to actually make it to an Apple Store. Apple isn't the first company to offer trade-ins for old gear. Amazon, Best Buy, Radio Shack, and Verizon all offer either store credit or cold hard cash for your retired gear. But with new iPhones just around the corner, it's as good a time as any for the company to roll out an in-store trade-in program.

Just don't bother trying to get an unlocked iPhone. If you do decide to trade in your old phone, you'll be walking out of the store with a new on-contract iPhone. Flag down one of the wandering Apple employees and tell them you want to purchase one of their shiny new phones and trade in your old one.

He or she will be able to determine if you are eligible for an upgrade or not. The trade-in, refurbishing, and resale of the iPhones is all being conducted by BrightStar. The company is able to offer Apple real-time pricing information for trade-ins on the Apple Store EasyPay devices. The employee helping you will enter all your old iPhone's details into the system to determine how much it's worth.

279 for the same device unlocked, according to 9to5Mac. The phone must obviously power on and be free of water damage. Apple's program will, however, accept iPhones with a busted display. Just expect to get less money. The trade-in program accepts all generations of iPhones. Even the original iPhone. After the value of the phone is determined, you can either accept the deal or walk.

If you accept, the phone will be wiped right in front of you and whisked off to the land of refurbs. This means you should definitely backup your iPhone before heading to the Apple Store. Take home your new iPhone! Finally, you'll be presented with your new iPhone. It's been reported elsewhere that Apple will issue credits or gift cards for new phones.

That's incorrect. If the iPhone you want is out of stock or unavailable, you will not be able to trade-in your old iPhone. The whole process has to happen at the same time. You go in with a phone and walk out with a phone. The employee will offer to set up the new iPhone with you at the store. Or you have the option of taking it home and setting it up there. But as 9to5's Jordan Kahn notes, Apple is clearly aiming for convenience over value here. That, and taking advantage of the fact that Apple fans have very little patience when it comes to getting their hands on new gear.

If the camera and the scene that we’re taking a photo of are completely still, we can make the exposure time (shutter speed) arbitrarily long, but more often than not, things around us are moving. And particularly with an iPhone, the camera itself is also moving. When things move fast enough such that they will not be at a single spot on our image sensor during the entire time of the exposure, the resulting image will be blurred. We generally want things to be sharp and without blur, so we often need a shutter speed around 1/100 s or faster/shorter.

For action shots of things that move at a fast speed, we may have to choose an even faster shutter speed. But we can also intentionally use a long shutter speed to blur things and show their motion. This works best when the camera is fixed on a tripod or something similar to make sure stationary objects in the scene are still sharp. The ISO value is also called the film speed.

It’s a measure of how sensitive the image sensor is to light, and hence how noisy the exposure will be. The exact details are obviously a lot more complicated, and Wikipedia will give you a more detailed explanation. The iPhone 6 can adjust the ISO of its camera from ISO 32 up to ISO 1600. A stop corresponds to either doubling or halving the ISO value. Every time we double the ISO (e.g. from ISO 100 to ISO 200) we only need half the amount of light. We pay for this by increasing the amount of noise in the photo.

At ISO 32, the images off the iPhone sensor will have the least amount of noise, but also need the most amount of light. At ISO 1600, the iPhone’s image sensor will only need 1/50 (0.02) the amount of light, but the image will be a lot more noisy. Here are two samples of the same scene taken with the iPhone 6 mounted on a tripod. The images show a small cutout of the full image. The left one is taken at ISO 32 and exposed for 1/3 s.

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