IF YOU BUY A 2 HAND IPHONE 4S, WHAT SHOULD YOU PAY ATTENTION TO, SUCH AS AUTHENTICITY, QUALITY, JOIN

Experience、To buy 2 hands of love crazy 1、How long did this 2 hands last? It is estimated that it will no longer be within the warranty period. 2. The origin of the source of goods cannot be guaranteed, it may be stolen, it may be picked up or refurbished.

Therefore, there is no quality to say, and there is no joint guarantee. If the owner of the shop is good, he will help you fix it. 3. It is recommended to buy a brand new one and spend more money without worrying.

Quality first. Typing is not appropriate. Hope.

Despise the copying party.

It is best to use Master Lu or 360 to test it, you can distinguish the true from the fake, as well as the quality.

Handset Microphone must be tried! Nothing else >

It's easy to tell the real from the fake.

Make sure you have your invoice with him, and if not, you can let him go home. Then it's about looking at the system, this system can be seen at a glance, if it's an iOS system, it will be smooth, and then you'd better bring your friend's phone, and then compare.

There is also a hidden danger in addition to headphones. The charger and these peripherals are easy to replace, and it is the parts inside, which cannot be seen. Besides, you can't take it apart.

I haven't touched on this question, so I can only help you come up with some ideas. Look at the information with the invoice when signing, and also see if the serial number of the mobile phone (Katori, * in the mobile phone) is consistent, and then there is to see the status of the mobile phone when it is turned on. Take a look at the information inside:

Settings - General - About this unit. Hope it helps.

4S still want to buy second-hand? Forget it.

It is recommended not to buy it. Second-hand machines are not original, but assembled, the price difference between the original machine and the second-hand machine is very large, the price is out of quality, that is to say, the quality of the second-hand products bought cannot be guaranteed.

China's Ministry of Commerce in its "General Principles of Second-hand Equipment Circulation Technical Specifications" clearly stipulates that the following three types of equipment can be identified as second-hand equipment:

1.Used equipment, but retains its basic or full use value;

2.After replacing parts to form a mixed assembly or after refurbishment and restoration, the original technical performance is basically maintained, and the equipment that plays the original role can be recognized as second-hand equipment;

3.In addition, there is a backlog of equipment in stock, although it has exceeded the warranty period stipulated by the manufacturer or there is obvious loss of parts, but still maintains the original technical performance, and the equipment that plays the original role is also recognized as second-hand equipment.

Most of the second-hand devices in China's mobile phone market meet the second article, therefore, it is not recommended to buy second-hand Apples.

Hehe, now the mobile phones you buy in the store are not necessarily new, some are either refurbished machines, or assembly machines, only people who understand mobile phones can tell whether they are original or old.

Second-hand is best to find an acquaintance to buy, the water is deep. Electronic products are updated quickly, it is not recommended to buy second-hand, save an extra 1 month to buy a brand new, other brands of mobile phones are better than second-hand.

Oh, don't just redo the system for you! Don't buy second-hand.

There is an item in the mobile phone that is the serial number, and the serial number can be used to query the time when the mobile phone was activated, so it can be judged immediately.

Insiders must know that it is generally the settings about the phone's ** model and serial number.

Now all the refurbished machines on the market have been discontinued, and the 8G version may have new ones.

3 All 1 First check the serial number of the mobile phone, and the query method is as follows.

2 Log in to Apple's official website and click on the technical support link at the top.

3 Scroll to the bottom to find the View Service and Support Terms link, and click 4 Enter the serial number you searched and click Continue.

5 to see the repair and service warranty. The estimated expiration date, one year after your purchase date, means that it is a new machine.

Want to determine the authenticity of your iPhone or whether it is a refurbished phone? Use the serial number of your fuselage, go to the service and support page of Apple's official website to check, if you can find it, and the iTunes software connected to the computer shows that it is a real machine, it is a real machine. If the activation date is about the same as the date you bought it, it's a new machine.

If you haven't found it or the activation date is more than half a year apart, then you should understand it yourself.

Or you can provide your serial number or IMEI number, and I will help you check it.