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How to check the screen of a second-hand Apple mobile phone without disassembling it?

by:YoukingTech     2021-09-05
Many friends are not reconciled to buying Android devices because of the limited budget they have at their disposal, so they choose to buy second-hand Apple phones. It can be said that this is a good choice, but the machine inspection is a more troublesome thing. So, without disassembling the machine, how can the machine be inspected so that it will not be pitted? Xiao Shan (lightning repair-professional Apple mobile phone home repair service platform) is here to share with you the inspection skills of second-hand Apple mobile phones. Many friends are not reconciled to buying Android devices because of the limited budget at their disposal, so they choose to buy second-hand iPhones. It can be said that this is a good choice, but the machine inspection is a more troublesome thing. So, without disassembling the machine, how to inspect the machine so that it will not be pitted? Xiaoshan (lightning repair-professional Apple mobile phone home repair service platform) is here to share with you the inspection skills of second-hand Apple mobile phones. 1. Is it preliminary to judge whether the screen of Apple mobile phone is original? 1. Use your fingers to forcefully press the screen of the Apple mobile phone, whether it is prone to water ripples. The outer screen of the original screen is harder and it is difficult to appear ripples; 2. Drop a drop of water and see if the water drops are scattered. There is a layer of film on the surface of the original screen. Anti-greasy. In addition, you need to pay attention to the inverted screen, not bad, mainly because it is prone to problems, such as: screen jumps, partial failure of the screen, anyway, it is not smooth to use, and it is comfortable to use if it is completely intact. So, what is an inverted screen? What Huaqiangbei merchants do most on the screen is: call back and change between the original screens, the screen of the A mobile phone is intact but the color of the back shell is not good, and the color of the phone B is very poor but the bottom shell is the same as the new one. At this time, two phones The price can only be sold at a very low price, but if you swap the screens of AB, there will be a mobile phone with very good quality that can be bought at a good price! This situation is difficult for us to distinguish. Sometimes we can only check the front camera parameters by looking at the Aisi and hourglass data of the front camera, because many Huaqiangbei masters do not change the front camera when switching between original screens (but more expensive The machine is hard to find the inverted screen). Second, to further judge whether the Apple mobile phone screen is the original screen, you get what you pay. Take the domestic screen and the original screen as examples. The brightness, contrast, and color of the domestic screen are very different from the original screen. Xiaobai users can also learn well. To distinguish. We can adjust the brightness of the two mobile phones to the highest level. The domestic screen contrast is not enough, the color is not bright enough, and it looks 'white' and gray. In addition, there will be some differences in the use of the feel. On the touch and slide, the original screen The feedback is very follow-up and silky smooth. Here, Xiao Shan (lightning repair-professional Apple mobile phone home repair service platform) especially talk about some simple judgments of LED and LCD screens, iPhone X and above (iPhone Xr is LCD screen) are mostly LED screens, and the brightness of the phone Turn it down, it's best to display a white background. There are moiré patterns on the phone screen when shooting with another phone. Take iPhoneX as an example. The LCD screen will be a little thicker than the LED screen. If you find that the screen of your iPhoneX is a little thicker than the ordinary iPhoneX screen, it is a domestic LCD screen. This is also a simple inspection technique, and now Huaqiangbei still replaces the LCD screen for the iPhoneX. Here is a reminder to everyone, if you buy a second-hand mobile phone, don’t think that if you have the ICE and hourglass inspection method, you will not check the serial number. (Sometimes the serial number is really king). There are some expansion machines from Taobao merchants. Aisi writes green, but the restore system basically checks the serial number and it comes out, and now there are some relatively low-level routines with built-in cards, and users are fooled. Finally, the small flash (lightning repair-professional Apple mobile phone home repair service platform) is to tell you an intact detection method, that is, iPhone X and above machines, you remove the card slot and blow directly into it, as long as the air leaks Basically, the machine has been disassembled (these machines are all airtight, and the air leaks have basically been moved), this method is basically tried repeatedly. However, because Huaqiangbei has fewer and fewer intact machines, and basically they have been dismantled, so this method is rarely used. Popular science: the original is not necessarily intact, and the machine with the original screen inverted is also called the original. If you and your friends' iPhone needs repair, please remember to find a lightning repair, after all, we are professional in repairing mobile phones!
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