How to confirm whether you bought a revision machine?

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.

Look at this shell

The shell used for refurbished machines is generally original, or the old shell has been carefully processed. Therefore, the front and rear parts of the machine casing are easy to close loosely, leaving a large gap. The identification method is to carefully observe whether there are traces of warping or opening at the joint of the front and rear shells. Observe whether the two screws under the iPhone body have been touched by a screwdriver.

For machine with no shell replacement, that merchants spray them with wat mist similar to detergent before selling, and the surface of the old shell immediately appears a frosting effect similar to that of the new machine. You can get away with it without careful inspection, but it won't be long before the paint on the box falls off. When buying, you must carefully observe the case, because the technology of the merchant is no matter how good, and the original equipment is not advanced. If you examine it carefully, you can see uneven painting and color cast.

Look at the usage records

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, in the process of 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.

Look at the price

As the saying goes, greed is cheap, and big losses. Before buying a mobile phone, you'd better know the price of the mobile phone on the website. If the price of js newspaper is "very cheap", be on your guard. Such a "cheap" mobile phone is not. ...