How to deal with the phone falling black screen and loosening the cable for home repair

If the phone has a black screen, a splash screen, a blurred screen, or a white screen, it is recommended to:

1.Click the back button to see if you can exit the software. If you can, exit and re-enter.

2.If you can't quit the software, it is recommended to restart the machine and try: press and hold the power button and the down volume button at the same time for more than 7 seconds to restart the device;

4.If it comes with system software, it is recommended to update the system version of the mobile phone to try: please go to Settings - About the phone (about the device) - Software update (system update) - Update (please back up the data in the device before upgrading).

If the problem persists, it is recommended to bring the purchase invoice, repair card and mobile phone to the local mobile phone purchase office for repair or spend money nearby to repair it.

If the screen cable is broken, it will be repaired according to the situation, if the cable is broken, it cannot be repaired, and the screen can only be replaced as a whole, and if the cable is resistant, it can be repaired.

The cable is the connection cable between the mobile phone motherboard and the mobile phone display, and the connection cable of the camera, button board and motherboard is also the cable. The damage of the wire is nothing more than two aspects of the broken wire and the generation of resistance, the former is generally more intuitive, it can be found with the naked eye, and it can be solved by changing or flying wires; If it is the latter, it is relatively troublesome, and it needs to be measured to know.

Due to its small size and light weight, the cable strip was originally designed to replace the larger wire harness wires. On cutting-edge electronics assembly boards, cable routing is often the only solution to meet miniaturization and mobility requirements. Traces (sometimes referred to as flexible printed traces) are copper circuits or thick film circuits of printed polymers etched into the substrate of a polymer.

Can you repair the broken screen cable of the mobile phone, hello dear, 1If the phone cable is broken, if it is within the warranty period, it can be repaired free of charge, as long as you take the invoice at the time of purchase to the place of purchase to repair and replace. 2.

If you just bought a mobile phone, and there was a screen problem after only a few days, and then it was detected that the cable was broken, then you can directly ask them to change to a new phone, and don't compromise on the problem of replacing the new cable. 3.At the beginning, when the mobile phone is still a flip or slide cover, due to the frequent sliding or flipping of the mobile phone screen, the cable will be easy to break, this kind of mobile phone can go to the mobile phone repair shop to replace, generally dozens of yuan can be done.

4.However, if the current touchscreen smartphone is damaged by human factors, it is estimated that it is a bad fall, and in this case, I definitely do not have the ability to replace it, so I can only go to the mobile phone repair place to solve it. 5.

If your phone has been used for a long time, it feels slow, and there is a problem with the cable, then it is not recommended that you replace the cable and buy a new phone directly. Nowadays, mobile phones are updated relatively quickly, so they must keep pace with the times. Hope it helps.

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Hello dear, 1First of all, you have to determine whether the phone is turned off or has a black screen. Just find another phone to call him a**.

Let's see if we can get through. If it can be opened, it means that death is a black screen, not a shutdown. If it can't get through, it means that the phone has been shut down.

If it's turned off, try to see if you can restart it. If it doesn't restart, try plugging it in. 2.

If you can be sure that the phone is not turned off, it is just a black screen. Then it means that it is a problem with the cable of the screen, and it may be that the cable is loose when it is impacted. Causing the screen to light up without honor.

Of course, it is also possible that the screen is malfunctioning. If it is an LCD D screen, it may be that the lamp cable on it is faulty. If it is an OLED screen, it may be that the organic matter inside the screen has an oxidized black screen.

In either case, the screen assembly will need to be replaced. 3.If you can confirm that the phone has been turned off.

And you can't turn it on by plugging it in. Then there may be the following situations: the first situation may be that the battery cable is loose, you only need to disassemble the phone and reinstall the BTB cable of the battery. The 2 cases may be a problem with the motherboard.

Heavy falls may result in the motherboard end wires. The motherboard needs to be serviced to find the specific fault.

Question 1: Can the mobile phone cable of the touch screen be repaired if it is broken? I can repair it. I did. It took 320

Question 2: How to repair the broken mobile phone cable is related to the screen I am repairing the mobile phone, the LG cable is very expensive, and it is more difficult to change than the general machine cable, so try not to buy the clamshell LG, it is not a pity not to repair the broken repair, you may not be able to change the cable in this situation, before changing the price and first declare that the replacement should be able to be used normally, otherwise there is no need to change, so there is no worries, good luck!

Question 3: What should I do if the screen cable of the mobile phone is broken The specific cable of this cable cannot be explained clearly, and it is best to go to the after-sales service or a professional repair shop to deal with it.

Question 4: What to do if the mobile phone cable is broken Due to the limitations of the network platform, it is impossible to view the specific situation of the mobile phone, it is recommended that you bring the purchase invoice and the three guarantees certificate to send the mobile phone to your nearest after-sales service center, so that the engineer can help you test it.

Question 5: Can I fix the broken cable of the mobile phone? How to repair it can be auspicious, to see what brand model your phone is. Some have welds and some have clasps.

Question 6: What should I do if the cable of my mobile phone is broken? Be cautious Compared with straight phones, sliding and flip phones are prone to cable damage after frequent use.

During the warranty period, it is free to go to the customer service for repair, and you need to charge if you exceed the warranty period, and the cost is relatively high. The specific ** is not necessarily, generally one or two hundred. Of course, you can also take it to a general mobile phone repair point, which will be cheaper, ranging from tens of yuan, to a certain repair fee.

In addition, you can also go to the mobile phone consumables point or online (such as **, etc.) to buy the cable, and then ask someone to replace it on your behalf. If the quality of the cable you buy is up to par and there is no problem when you replace it, it can still be used normally for a long time. The above is purely a personal opinion, I hope it will be helpful to you!

Question 7: How to fix the broken cable of the mobile phone? It is advisable not to repair it yourself.

Different machine cable connection methods are different, and it is easy to damage the machine if you are not familiar with it.

Find a repair solution, pay attention to the following problems:

1. The cost is about 50. Find a few more repairs and compare services and technologies.

2. After the maintenance, run more software tests, and the cable with poor quality may be easy to heat up, and the operation is unstable.

Question 8: How to repair the mobile phone cable by yourself if the cable is broken? If you are a talent who can repair mobile phones, first go to buy a mobile phone cable, replace it yourself, if you can't get it right, don't mess around with it, maybe you will end up breaking the phone, and you will have to spend resentment money, if your ability is limited, or take it to the repair shop, let others repair the mobile phone for you......

Question 9: The mobile phone cable is broken, whether to repair or replace the mobile phone No matter how it is still repaired, many times you should learn to save, as long as there is no fault with other parts, it should be repaired.

<> the mobile phone cable is broken, you need to take it to the mobile phone repair shop for repair, such as the Yannaiguo mobile phone during the warranty period, you can take the mobile phone to the corresponding brand of repair center for replacement or repair, you can also buy a corresponding cable, and then disassemble the mobile phone for installation.

If the mobile phone cable is man-made, you need to take it to the mobile phone repair shop for repair, or directly replace a cable.

If the phone cable is broken, if the phone is still under warranty, you can take it to the brand repair center for repair. Rough good spring.

If the mobile phone cable is broken, you can also replace it yourself, and the corresponding cable can be installed after the phone is opened after the socks are opened.

Operating environment

Make model: Redmi Note 8 Pro

System Version:

1. First of all, buy a mobile phone cable that matches the model of the circular knitting machine.

2. Use a small Swiss repair knife to take the small parts of the mobile phone shell and collapse the bridge, and be sure to keep it.

3. Re-weld small parts to a new wire, which requires good welding skills, if you don't have the corresponding tools, please don't try it easily.

4. After changing the cable, cut the transparent adhesive into an appropriate size of the rubber strip, and then use these adhesive strips to completely stick the turn of the cable, and wrap it evenly and not too thick.

5. What is a mobile phone cable?

The mobile phone cable is the connection cable between the mobile phone motherboard and the mobile phone display, and the connection cable of the camera, button board and motherboard is also the cable.

Use a knife to scrape off a little bit of the wire paint and then weld, soldering wrapped with insulating tape, it is recommended that inexperienced people do not operate.