Can freezing method repair black lines on screen?

If you have a capacitive screen and black lines appear, please turn off the phone first and then put it in the refrigerator. Note that it is refrigerated, not frozen. Take it out in about 20 minutes and turn it on. The black line should disappear. If it has not disappeared, nothing can be done to solve it. You can only take it to a repair center to replace the display screen.

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In case of poor contact of the data cable inside the mobile phone, maintenance methods can be adopted. The specific method is:

Turn off the phone, then disassemble the phone, unplug the data cable from the phone's motherboard to the screen, connect it again, and then try to turn it on to see if the fault can be solved. You can also go to a local mobile phone repair department for repair. (Recommended study:

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In case of screen damage, the only way is to replace the hardware screen. Specific method: According to the model of the mobile phone screen, go online to purchase the same model of mobile phone screen, and then install it yourself. If you are not a professional in this field, it is recommended to send your mobile phone to a local mobile phone repair department for repair.

Case:

The phone was dropped, and then two black spots appeared on the screen. It is estimated that the crystal array in that place is broken, but the area is not large. , so I made do with it.

However, in the past few days, I discovered that those dark spots were still spreading, some became longer horizontally, and some became thicker vertically.

I felt something was wrong, so I checked online. It was said that the LCD screen might be leaking (but I didn’t feel any liquid leaking out).

The solution is:

Either replace the screen, or some experts recommend DIY repair using the freezing method.

With the mentality of "treating a dead horse as a living horse doctor", I tried it last night, turned it on this morning, and found that the problem was really solved, I will also share it here Operation experience:

Remove all accessories on the mobile phone, including the battery, SD card, SIM card, and other accessories;

First use paper towels (for moisture-proof) Wrap it and seal it with a dry plastic bag;

Put it in the refrigerator and freezer. It is said that the longer the better, anyway, I spent it overnight (about 10 hours);

After taking it out, First, let it slowly return to normal temperature. At this time, paper towels will come in handy. It can absorb small water droplets on the surrounding body. Finally, take out the mobile phone and let it air dry. It is recommended to use a hair dryer to speed it up.

Currently, the screen has been completely restored without any flaws. However, it is said that this also depends on the degree of damage. It is not always perfect, but it saves time and money on repairs. This method is quite good.

In addition, I couldn’t find any explanation of the principle on the Internet. I guessed that the liquid crystal array may have been reorganized at low temperatures, but it is unknown whether it will recur in the future.

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