What should I do if the screen does not light up when the iPhone 4s is in the water

It may be that the circuit motherboard is flooded, some short circuits, if it has been disassembled or blown by hot air after water ingress, it may also be a cable failure, which needs to be repaired

1. First of all, it is best to remove the SIM card to avoid losing contact information.

2. Wipe each part of the phone with a cloth or paper towel, and do not move or shake the phone too much, so as not to let water swim everywhere inside the phone.

3. Try wrapping your phone in a cloth or paper towel for a few minutes to absorb excess moisture. Turn on the cool air setting of the hair dryer and blow at the hole of the mobile phone about 30cm away from the mobile phone for at least one hour.

4. Finally, wrap the phone in a thin tissue and put it in a jar or bag full of rice for at least 24 hours, during which time it cannot be turned on. Rice absorbs water very well and can save a damp phone.

5. The above is only a salvage measure, if there is still a fault after starting, please go to the after-sales service.

I don't know much about repairs, but it's certain that there's something wrong with your phone's circuitry.

First of all, I will correct the water treatment method for your mobile phone, so that you don't make a mistake next time.

Remember not to turn on and off the mobile phone when water enters, and take the battery directly if it can take out the battery, and it can't be kept in a state, let alone blown out or thrown out by a blow dryer, which will damage the parts.

The correct way is to take a sealed plastic bag and take it into the refrigerator for a while, of course, you can also put it in a rice bag or other particularly dry place, which can be slightly dried.

Take the mobile phone to repair, don't go to the street shop, my Apple is watching the demolition of the broken, the attitude is still very bad, directly after-sales repair asked how much it costs, and then according to the cost of repair to decide whether it is worth repairing.

In general, the water is a hard injury, even if the phone is repaired, the impact is great, I sympathize, but I can't help. Hope.

Mine is the same, let's send it for repair decisively!

In this case, it is recommended not to send it for repair, after the mobile phone is turned off, seal it with a plastic bag and put it in the rice cylinder, put it for 2 days and take it out to see if it is normal or not, if it is not normal, then consider sending it for repair, according to the hardware that has the problem** is not the same, but you can get this problem by visually up to 500.

Have experience in dismantling the machine, first of all, disassemble the machine, and then remove the LCD, clean the LCD cable seat with Tianna water or more than 95% alcohol After cleaning, check whether there is a blackened breakdown of the resistance capacitor, if not, then after the cleaning is completed, the installation test, whether it is normal, if it is normal, if it is normal, it is generally the LCD because of the backlight illuminated by the water has a problem

Hope it helps.

Check whether there is a short circuit in the cable of the inner screen, if there is no short circuit in the motherboard, replace the inner screen.

Anyway, you finally fixed it, and I'm in the same situation as you. It's also yesterday when the water went into the water and then it was super dark.,There's a reaction to turn on or something.,I don't know what to do.。

Change the screen, and the original ones are more than 300.

Overview: 1. To unplug the power and battery immediately, the speed of power off directly determines the most critical factor of iPhone damage. Don't start shutting down slowly, and then shut down when the system shuts down normally.

If it's slow, it's quite dangerous. 2. According to the direction of water ingress, pour it immediately 1. Unplug the power supply and battery immediately, and the speed of power failure directly determines the most critical factor in the severity of iPhone damage. Do not slowly start shutting down the point and wait for the system to shut down normally.

and then break it off. If it's slow, it's quite dangerous.

2. Pour out the water immediately according to the direction of the water intake, and quickly dry the water with a dry towel or paper towel. If water enters the top of the iPhone, immediately turn the phone down (be careful not to let the water flow into the LCD screen.)

3. If there is water on the iPhone motherboard, you should send it to the iPhone repair point for maintenance as soon as possible, and let the engineer observe whether the water has entered the iPhone motherboard. Carefully dry the water on the front and back of the keyboard with a paper towel.

Divide. If possible, you can use a hair dryer to dry it with cold air, be careful not to use hot air, because the iPhone button cable is plastic, not resistant to high temperatures, do not use hot air, and avoid blowing damage. If liquid.

If the body is cola, vegetable soup, etc., you need to remove some of the buttons and carefully scrub them with pure alcohol. Because cola and other substances contain sugar, if it is not clear, it will corrode the wiring over time and cause damage to the keyboard.

4. Completely disassemble the motherboard, which is more complicated. Because Apple's industrial design is very delicate, some accessories are very fragile, and they will be damaged if you are not careful when disassembling the machine, so it is recommended that you still find a local professional.

The maintenance master helped dismantle the motherboard. Observe whether there are any stains on the motherboard, and if so, carefully wipe it clean with pure alcohol. In iPhone repairs, the motherboard is scrubbed with the best plate washer, but this kind of plate washer.

Ordinary people don't have it, and it is difficult to buy it in Beijing's electronics market, not the kind of ordinary washing water. This can be replaced with pure alcohol, note that pure alcohol must be used, not aqueous alcohol. And then.

Dry the motherboard, or the hair dryer should not be too high, and pay attention to protect the plastic connectors on the motherboard.

5. Carefully dispose of the moisture inside and outside the iPhone shell, put the treated motherboard and screen in a dry place for one to two days, and then confirm that all the moisture has dried thoroughly before assembling it back.

went. It must not be powered on and turned on before processing. Because the general user has no professional drying equipment, it is necessary to let many accessories be thoroughly dried as often as possible. [This information is from.]

When the mobile phone enters the water, you should first remove the battery, and then blow dry, but you can't heat and dry it for a long time, you also need to dry it naturally, the process of drying is very long, your mobile phone is not dry, and then turned on. Of course, it is not excluded that it is broken in an instant when the water enters.

There are two possible causes of this situation if your black screen is displayed but there is no screen light: 1. The water on the screen light is not dry and causes a short circuit, 2. The screen light chip is damaged due to water ingress.

The seller said that ultrasonic cleaning is to use an ultrasonic oscillator (the machine used to clean glasses) to put in volatile liquids such as thinner materials to clean it, and if it is not turned on, your mobile phone is drowned in internal terms, and the reason is that the moisture inside the mobile phone is ultrasonic ** to the power supply pins of the power chip, but it is not cleaned out, and then the maintenance personnel take it out prematurely and turn it on, and then, burn it.

I don't think the seller replaced your motherboard, it's because of improper maintenance that caused the secondary failure, and the seller is responsible, but you don't have evidence, so it's not easy to solve it with the law.

To give you a piece of advice, follow what I said above to the seller, and then be tough. This will definitely cost money, but it can be cheaper. If the seller can do small repairs, only replace the damaged chip, not the entire motherboard, which will be cheaper.

It's very likely that after the phone gets into the water, you can't turn it on until the water inside is dry.

After the water enters, the landlord turns on the machine, but there is still water in the mobile phone, and as soon as the landlord turns on the mobile phone, the water automatically enters the motherboard.

If the motherboard is really burned, there is no need to replace it, and the money to replace the motherboard can be added to buy a new machine.

Is there such a repair? Isn't this a blatant slaughter? It's hard to explain the fault point if you fall into the water, admit bad luck, there's no need to be angry!

If your phone has been soaked in water for so long, don't use a hair dryer to blow it, because you don't know what components inside the phone are soaked in water, and if you use a hair dryer to blow the water onto the components that may not have been soaked in water, causing more damage. The first thing to do when the mobile phone is flooded is to turn it off, and then change the screen brother to detect it and see how to recover it, it is easy to cause secondary damage to the mobile phone by blindly operating by yourself.

As a person who has come from the past to share my experience with you, I hope it will be helpful to you.

2. Be careful not to turn on the power at this time, if it is on before, please turn it off quickly.

3. Remove all the covers such as the iPhone cover. Take out the SIM card immediately and dry it, then wrap it in paper.

4. Wrap the fuselage with absorbent towels or paper towels to absorb the water. Don't use the method of throwing. Shaking will cause the water that has already entered the fuselage to spread, and it will come into contact with elements that cannot touch the water, causing even worse results.

5. Then put the whole set of things on your iPhone in a slightly heated place, such as an AC power supply and a heated place on your computer. Then wait for half a day, if it doesn't get better, quickly take the mobile phone to the designated after-sales maintenance location for repair.

Be sure to remove the battery and take it to a mobile phone store to remove the moisture.

Go to the after-sales service, it is estimated that it is not cheap.

The battery was dismantled, and the hair dryer was blown to blow it all.

Dear, mine too, I got rid of the resistor on the side of the camera, and it was fine, but now there is noise and water streaks!!

It is recommended to quickly find after-sales service for repair or replacement of the screen, because if you do not deal with it in time after water ingress, the board and screen of the mobile phone will slowly corrode, I hope it can be adopted.

Taiyuan Apple product professional repair center, Apple full range of products maintenance, the following are the common problems of Apple mobile phones, for your reference.

1. If the Apple iphone4 4S mobile phone is broken or has been in the water, the other party's voice cannot be heard on the call, or the sound heard is very small, there is a gap and the microphone may need to be replaced.

2, Apple iphone4 4s hit** The other party can't hear their own voice, or the voice comes and goes, you can consider the problem of the microphone or the phone chip.

3. If the camera of the Apple iphone 4 4s mobile phone is not clear, or the camera cannot be turned on, it may be necessary to replace the camera.

4, Apple iphone4 4shome button failure, the boot button can't be pressed, it's a problem with the cable, you can replace the cable.

5. The Apple iphone4 4S mobile phone does not charge, the charging stove does not respond to the electrical appliance, or the plug logo appears when charging, and the original battery or tail plug cable needs to be replaced.

6,Apple iphone4 4s mobile phone volume button can not adjust the branch,Adjust the volume only a speaker icon appears,No progress bar is displayed,There is no sound when playing songs,It may be a problem with the tail plug cable。

Ensure that the original high-quality Apple accessories are tested free of charge, find out the real problem to the customer, the customer agrees to start the real repair, the problem is not solved without paying any cost, can give you intimate, rest assured professional service! Looking forward to working with you sincerely! If you and your friends have broken apples, don't replace them:

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