Xiaomi smartphone owners often face a situation where a broken screen requires urgent replacement. The parts market is crowded with offers where module prices vary by two or even three times. It is easy for a beginner to get confused and buy a cheap fake instead of a quality component. Understanding how the original display differs from the non-original Xiaomi becomes critical to maintaining the functionality of the device and your budget.
The difference between a factory screen and an analogue affects not only the quality of the image, but also the sensor, battery consumption and even the response rate of the system. In this article, we will discuss in detail the technical nuances, verification methods and visual features that will help you make the right choice, you will learn how to determine the authenticity of the spare part before it is installed in the case of a smartphone.
⚠️ Attention: Installing a poor-quality display can cause the power controller to overheat or damage the motherboard plume.Don't skimp on components that directly contact the main electronics nodes.
Technical characteristics and types of matrices
The main difference is the manufacturing technology and the materials used: the original display is manufactured in the same factories as the components for the assembly of the smartphone itself, usually AMOLED panels or high-quality IPS with accurate color reproduction, and copies are often made from cheaper materials where the claimed characteristics may not correspond to reality.
Cheap analogues often use TFT technology instead of IPS or AMOLED, even if the description says otherwise, leading to color distortion, poor viewing angles and low brightness. In addition, the matrix resolution in copies can be artificially interpolated, making the picture less clear, although the system settings will indicate the native resolution.
The important parameter is refresh rate and touchscreen response rate. Original components support the declared 60, 90 or 120 Hz without delay. In non-original modules, the touch layer often operates with a lower polling frequency, which causes scrolling and input inaccuracies, especially noticeable in games or in fast printing.
Visual differences and build quality
The first thing to look at when you look outside is the thickness of the frames and the quality of the glass fit. The original module has perfectly flat edges and a uniform layer of glue around the perimeter. There should be no gaps between the glass and the frame (or plastic framing).
Color reproduction and brightness are the second important criterion. On the original screen, white looks clean, without a yellow or bluish hue. Copies often sin by "going" the color temperature into the cold or warm spectrum. It is also worth checking the autobrightness: the original smoothly changes brightness depending on the light, and a copy can do this in jerks or not react at all.
Note the logos and markings. The plume of the original Xiaomi display often features laser engravings with the model code and the model’s sleeve. QR-On cheap analogues, this data can be deposited with ordinary paint, which eventually wears off, or completely absent. The quality of soldering contacts on the plume must also be neat, without traces of soldering iron or oxidation.
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When buying a display from hand or in a store, always ask the seller to turn on the device. Check the white background for lights and broken pixels.
Functional tests and program verification
Xiaomi smartphones today have built-in diagnostic tools that help identify non-original components. The engineering menu allows you to run matrix and touchscreen tests. To get there, you need to enter a special code in the Phone app. For most models, this is a combination of ##6484## or ##4636###.
In the engineering menu, select the item associated with the display test (often called "Display" or "Screen"). Here you can check the uniformity of the glow, multi-touch operation and color gamut. If the screen fails the test or the sensor reacts with a delay, this is a sure sign of a non-original spare part. The system can also issue a warning that the display is not certified.
Another method is to check through the Mi Service app, where newer versions of MIUI and HyperOS automatically scan the installed components, and if the display is not original, a notification will appear in the device status report, but it is worth remembering that experienced craftsmen can cross-sweeten the memory chip to bypass this check, so the software method does not give a 100% guarantee.