iphone4S to identify authenticity

One: The easiest way to identify whether it is a real Apple is to: press and hold the home button (the one in the middle garden below), and then click the power switch (upper right corner), you will hear a "click" camera shutter sound, this is the iPhone screenshot function, you can see the screenshot there in the film (cameraroll) in the photos (photos).

2: Absolutely reliable way to identify whether it is a real Apple: install itune on the computer, run itune, connect the phone, if itune can not recognize (that is, it is not displayed in itune) it is an orange or a rotten apple.

Three: the identification and difference between refurbished machines, return and resale machines and service machines: the common point of these three types of machines is that the serial number starts at 5k.

Refurbished machine: If there is a problem, the warranty will be returned, and it will be sold after repair, and Apple will mark the refurbished machine (refurbished) when it is sold. The refurbished machine only warrants 3 pcs.

month, to Apple's warranty information** enter the serial number to check the warranty period is a large number.

Return Resale Machine: According to the consumer laws of the United Kingdom and the United States, any credit contract (including a 24 or 18-month contract for mobile phones) should have a cooling-off period.

cooling off period) within 14 days, the customer can return the contract, if the regret is as long as the iphone is still the same as new, you can return the cancellation contract. This kind of machine.

Although the device is new, Apple can't treat it as new, so Apple checks it like a refurbished machine (starting with a 5k serial number). But when it was sold.

Wait or sell as a new machine, this kind of machine may be replaced with a white box for a warranty machine, but most of them are sold like new machines, but they are generally seen in the United States.

If there is less than this kind of machine, it is generally resold to other countries. Some people buy the Hong Kong version (India) unlocked machine, but the mobile phone model is American, and it is estimated that it is this kind of machine.

The warranty period of this kind of machine is also the same as the normal one-year period.

Service machine: Apple has specially produced a batch of service machines (white box, serial number starting with 5k) in order to cope with the warranty replacement machine, and Apple warranty Apple is to replace it with a new one for you.

It's this kind of machine, if you go to the warranty and replace it with a machine with a serial number starting with 5k, don't worry that it's not a refurbished machine, the warranty period of this kind of machine is the same as the original.

If the original machine is used for 4 months, then it still has a warranty of 8 months.

Four: How to determine if it is unlocked: If the phone can use all SIM cards normally, there is no card (I'm not sure how to look at the built-in card), and it is useless.

Huang Xue boot guide to "soft unlock" (to manage and then package inside Cydia, where you can see if Huang Xue yellosn0w is installed) that is.

Lock-free machine. Five: find out the factory date from the serial number: the first five digits of the serial number are very importantABCDEAB is the assembly plant code or the product batch number C is the year (for example, 8 is 08 years).

period and factory site.

Directly call will give you a reply to a piece of data, write it down and then go to the phone battery to see if it corresponds to a string of numbers in your mobile phone, and if it does not correspond, it is false, and vice versa.

On the 2nd floor, Apple can't get the battery.