How does the iphone5s screen distinguish between true and false?

The serial number of a mobile phone is just like the ID card of a mobile phone, and each mobile phone has a unique IMEI number. Generally speaking, it can be used to judge whether a mobile phone is genuine or not.

The identification method is as follows: enter * # 06 # in the standby state of the mobile phone, and a string of numbers displayed by the mobile phone is the serial number of its motherboard, then look at the IMEI number on the sub-packaging box of the mobile phone, and take out the SIM card holder to look at the IMEI number on the side to see if they are all consistent.

2 look at the shell

Generally, the shells used in refurbished machines are original or carefully processed old shells, so it is easy to see that the front and rear parts of the machine shell are not tightly closed and the gap is large.

The identification method is careful observation.

Check the joint of front and rear shells for signs of warping or opening. Observe whether the two screws under the iPhone body have been touched by a screwdriver.

For machine that do not change that casing,

Before the sale, the merchant sprayed the old shell with water mist similar to detergent, and the surface of the old shell immediately appeared a matte effect similar to that of the new machine. If you don't look carefully, you will get away with it, but it won't be long before the paint on the shell falls off. Be sure to observe the shell carefully when buying, because the technology of the merchant is no matter how good, and the original equipment is not advanced. If you look closely, you can see uneven paint and color cast.

3 Look at the usage record

See if games, short messages, phone books, call records, homemade ringtones and other items in the mobile phone have been used. If so, there is a great suspicion of renovation. In addition, during normal use, the machine frequently shuts down or crashes automatically. It can be said for sure that there is something wrong with the motherboard or software of this mobile phone.

4 look at the price

As the saying goes, greed is cheap, and big losses. Before buying a mobile phone, it is best to know the price of the mobile phone on the website. If the price of js newspaper is "very cheap", be on your guard. Such "cheap" mobile phones are either refurbished mobile phones, informal channel products or accessories. It is recommended to buy a mobile phone in a regular store with good reputation and heavy service.