The market recently appeared a new type of SIM coupled with very small size, only by the head of the device to pick up components. The image of this micro-SIM card is posted on Facebook group of users who use iPhone lock. According to members of this group, the price of each SIM is only 80,000 VND.
For crooks, the most commonly used trick is to use these paired SIMs to die behind the SIM tray in the iPhone. Then use the copper wire to "sentence" the signal from the SIM slot of the device, go through the paired SIM before entering the motherboard.
New paired SIM when viewed on the magnifying glass.
Thus, users who see an iPhone lock (iPhone lock) and not have a SIM paired will think that this is an international version. The current market price difference between iPhone lock and international current is about 2 million dong.
The actual size of the new SIM assembly is only as small as the head of the device for gripping the device.
Some phone shop owners say that it is quite difficult to check whether the iPhone is interfered to turn from lock to an international device. Software tests such as Reset all machines and settings or tests in the SIM application are not detectable.
Usually when a SIM pair has a new version, Apple's iOS update can make the SIM pair no longer work. But after a while, Apple just released an updated version of iOS 12.
Users who buy used iPhones are now the best way to protect themselves from buying from reputable places and having warranties and warranties from the seller.