How to repair the broken mobile phone?

Lead: Repairing the broken mobile phone by yourself can not only save some money, but also save unnecessary steps to repair, and control every link well when disassembling. If you are a digital enthusiast, you can also find the pleasure and sense of accomplishment of repairing your own mobile phone, just like the pleasure brought by jailbreaking and customizing the appearance of the system, which was very popular at that time. So, what are the main points of repairing your own mobile phone? Let's have a look!

Mobile phone water treatment method: first wipe off the residual water outside the mobile phone with paper, then put the screen of the mobile phone down horizontally, then wipe the circuit board and other places with anhydrous alcohol, and then try to turn it on, provided that you can disassemble the mobile phone yourself. If you can't disassemble the machine, you can wipe the external water clean, put the mobile phone in the rice bucket and take it out overnight.

Note: Don't try to throw the water out by slamming the phone, which will only speed up the phone and make the situation worse.

Don't blow your mobile phone with a hair dryer. Not only will it dry the inside, but the heat will also cause permanent damage to the inside of the mobile phone.

Don't turn on the mobile phone after it is flooded, which can only backfire and cause the motherboard to be directly short-circuited and burned.

What should I do if the mobile phone screen fails? The touch screen and buttons of the mobile phone are all out of order. It may be that the original touch screen is loose or damaged, and the touch ic needs to be welded or replaced.

The touch screen of the mobile phone is out of order, and the buttons are normal. It may be that the touch screen is loose or damaged and needs to be sent to the maintenance point for repair or replacement.

Touch calibration can be used to calibrate the offset of mobile phone touch screen. If the offset still exists after calibration, you can choose to restore the factory settings to solve it.

What should I do if I forget my phone lock password? Android phone forgets password, turn it off and then on. When it is about to open, press the power button and volume button at the same time, and a data clearing interface will pop up. After clearing other data, users only need to restart and download related applications.

Apple forgot the password to connect the iPhone to the computer, opened iTunes, selected "Back Up Now" to back up the iPhone, and selected "Restore the iPhone". After the recovery is completed, select "Backup from iTunes" from the settings menu, find the previous backup, restore it, and reactivate the iPhone after the data is restored.

The mobile phone screen is broken. Mobile phone screen maintenance. What if there is no sound in the microphone of the mobile phone? Check the system settings, enter the volume or sound effect settings, adjust the volume key of the mobile phone, and turn the volume to the maximum.

Restarting the mobile phone is mainly to detect whether there is a problem with the compatibility between the mobile phone system and the hardware, resulting in volume failure.

Headphone mode Plug the headset into the phone to see if there is any sound. You can plug it in and out several times.

Check the receiver. If water, drink or grease enters the receiver, it can only be repaired.

What should I do if the battery of my mobile phone is low? Check the volume setting, find the volume setting option, and turn all the volumes to the highest level to see if there will be any response.

Software conflict may be caused by the recently downloaded third-party software, so just uninstall the recently installed software and restart it.

Failure to restore the factory system will also lead to low voice of the mobile phone. Just enter the phone settings and restore the factory settings.

What if there is noise outside the mobile phone? It may be caused by the high volume. I suggest turning down the volume of the mobile phone appropriately to see if there is such a situation.

Use the audio software that comes with your phone to see if there is any noise. If there is no noise, it means third-party software.

It may be caused by a problem with the mobile phone system. It is recommended to upgrade the system. If it is the latest version, you can try it out of the factory.

What should I do if the volume button of my mobile phone is not flexible? During the warranty period, the mobile phone must be tested and repaired after sale, otherwise the warranty service will be terminated after sale. If it is over-insured, you can go to the mobile phone repair shop for testing, and the maintenance cost is much cheaper than after-sales.

Alcohol wipe You can wipe the volume button with alcohol, and then press it after your fingers get wet. You can also replace it with water, but this way may lead to the situation that the volume button is flooded, and the mobile phone that is under warranty will not be guaranteed after entering the water.

Mobile phone camera problem how to defog the mobile phone camera when it is flooded? Let it stand in a windless environment and dry in the sun. If it is rainy, put the mobile phone in a sealed jar indoors, and then put a bag of desiccant. After a while, the steam will disappear.

If the surface is foggy, wipe it with a dry soft cotton cloth. Don't blow dry with a hair dryer, which may aggravate the damage of water vapor to the internal components of the camera.

What if the camera of the mobile phone is blurred? The lens is dirty. The editor of MaiGoo reminded the camera to be dirty. You can wipe the lens with glasses cloth to wipe off the stains.

Focusing problem can be achieved manually by tapping the main position on the screen of the mobile phone.

Hardware problems such as camera wear can only be sent to the nearest after-sales service center for testing.

How to get out of the signal blind area of mobile phone signal network? Mountainous areas, rural areas and sparsely populated areas are all signal blind areas, and signals can be recovered in a wide range of places.

Different brands or models of mobile phones have different antenna settings, so some mobile phone signals will be relatively poor.

Change the mobile phone network operator. In some places, the mobile signal is good, and in some places, the Unicom signal is good. It is necessary to change the network provider.

What should I do if the speed of mobile phone card is slow? Replace the SIM card. If the mobile phone card is used for too long or damaged, it will affect the mobile phone signal. You need to go to the business hall to change a new SIM card.

The base station has the maximum signal and data processing limit when it is fully loaded. If the base station is fully loaded, the network speed will be very slow.

The better the building shields the mobile phone signal, the closer it is to the operator's base station, and the doors and windows are closed, which may shield the signal.

What if the phone can't connect to WiFi? Open WLAN settings. Click Wireless and Networking-WLAN to make sure WLAN is turned on. If it is not open, it cannot be connected.

Reconnect to WLAN Click on the connected WiFi, do not save, reselect the network, enter the password, and connect.

When the router fails, plug in the router power interface and let the router restart, which can solve 90% of the problems caused by the router.

What should I do if the mobile phone WiFi connection can't get online? 5 1 dongshi editor reminded me that the WiFi connection of the mobile phone can't get online, mostly because of the WiFi itself. Try connecting this WiFi to other mobile phones and see if you can surf the Internet. Open Settings → Wireless and Network →WLAN→ Select Network → Enter Password → Connect. If you can't connect again, there is something wrong with the network.

How to deal with the problem that the mobile phone cannot be opened? The mobile phone can only be turned on when it has a certain amount of power. If you can't meet the requirements, you can't open it naturally. Just charge it in time.

Turning off the battery when it is cold or too cold will lead to the deterioration of the chemical activity of the battery, resulting in a sharp drop in power and shutdown. Just cover the pot and open it again.

Replacing mobile phone batteries is a consumable item. When the battery is damaged, please replace it with a new one.

How to update the system when the mobile phone is automatically turned off? The version of the mobile phone system is too low, or there are some bugs in the old version, which leads to the automatic shutdown of the mobile phone.

Virus detection uses mobile phone housekeeper or antivirus software to detect whether there is a mobile phone virus at work.

When the battery of the mobile phone is fully charged, the mobile phone will still shut down by itself, and you can choose to replace it with a new original battery.

There is something wrong with the hardware of the mobile phone sent for warranty, which may be a problem with the wiring of the motherboard. It is recommended to send it for after-sales maintenance.

How to clear the memory when the phone crashes? If the mobile phone takes up too much memory, it will lead to the phenomenon that the program can't run and the screen will crash.

When restoring the system software and deleting the software, the system file was accidentally deleted, which may cause the phone to crash and fail to start.

The unstable battery voltage or poor battery contact may lead to a black screen or automatic restart.

What should I do if the mobile phone battery is not durable? Don't use a mobile phone below 20%, let alone a mobile phone below 5%, which will cause irreversible damage to the battery.

Don't keep the battery charge at 100% for a long time, which will also affect the battery life to some extent.

Don't charge with a brand-name charger. The electronic components of famous brand chargers are basically inferior materials, which are easy to be damaged.

What should I do if my mobile phone battery doesn't charge? Mobile phone system failure can lead to direct shutdown and restart, which is equivalent to data refresh, and the general power display will return to normal.

The failure of the charger led to an attempt to replace another charger. If it can be recharged, just buy an original charger.

Poor contact between charger and mobile phone Due to the carelessness of mobile phone users, the charger will not be inserted correctly, so it can be inserted again.

When the mobile phone is hot, the background resident program can be closed, which can selectively close programs that are not needed at present but are consuming power, thus reducing the load of the mobile phone.

Replace the battery. The fever of the mobile phone may be due to the performance failure of the battery. It is recommended that you replace the battery to avoid greater losses.

Don't play with your mobile phone while charging. Reduce the use of mobile phones when charging, otherwise it is easier to accelerate the temperature rise of mobile phones.

Mobile phone battery bulging mobile phone charging hot mobile phone data problem mobile phone can not connect to the computer to see if there is a driver installed on the mobile phone. If there is no driver installed on the mobile phone, then it is definitely impossible to connect to the computer. You can install a driver on your phone first, and then try again.

Turn on USB debugging mode, find "Application" in the phone "Settings", and then select "Developer Options". At this time, the prompt "Turn on USB function" will appear on the phone, and click OK.

The USB interface of the mobile phone is short of power supply. Simply put, the mobile phone itself is short of power. At this time, the battery of the mobile phone should be charged, and then the USB interface can be connected to the computer.

What should I do if my mobile phone can't connect with Bluetooth? If this is the first time to connect a Bluetooth device with my mobile phone, I can turn it off before turning it on.

Turn on the pairing mode of the Bluetooth device again, and turn on the pairing mode according to the specific operation of the Bluetooth device to see if the connection can be successful.

Delete the original connected Bluetooth device, click the "Information" icon on the right side of the Bluetooth device, click the "Ignore Device" option, and then connect to the Bluetooth device again to see if it is successful.

How to clean and delete the application software when the memory of the mobile phone is full? Select some uncommon software in the management storage space, and click the delete application software button below.

Delete the mobile phone cache, open WeChat → Me → Settings → General → Clean up the storage space of WeChat. At this time, WeChat will directly enter the process of cleaning up the storage space. Log in to QQ, and then open Settings → Chat History → Clear Cached Data.

Mobile phone data cleaning, backup and recovery Mobile phone cloud storage space is insufficient. Influence of mobile phone disassembly on mobile phone. Independently disassembling and repairing the mobile phone will lose the after-sales warranty function of the product and bring losses to yourself.

5 1 Dongshibian Xiao reminds that independent disassembly may cause complete damage to your mobile phone, which may lead to your mobile phone being scrapped.

During the assembly process, the disassembly machine may damage the appearance of the product, resulting in poor appearance.

Mobile phone disassembly steps: loosen the back shell, remove the screws, insert a hard plastic sheet or nail into the gap between the front shell and the back shell, and slide it once, and the shell will automatically detach.

Separate the cables on the motherboard, pay attention to the fastening mode, pick up all the fastening seats of the motherboard, remove the cables and screws, and remove the motherboard.

Take the screen, heat the front with a hair dryer, pry open the gap at the edge of the glass, slide it for one week, and the screen is separated from the front shell glue.

Clean up the old glue and paste the new glue. Scrape off the old glue with a hard object, paste the new glue and paste it on the tested screen.

Replace the motherboard. Replace the positions of all cables corresponding to the motherboard as they are, and replace other small accessories in turn. Finally, install the battery and start the test.

Detailed mobile phone brushing method The line brush is connected with the computer through usb. The easiest way is to install brush software such as brush master and brush wizard on the computer to automatically identify the mobile phone and brush the machine with one button.

The card brush puts the package of brushing software corresponding to its mobile phone model in the SD card, and then brushes the machine directly on the mobile phone.

After-sales brushing Take the mobile phone to the local mobile phone after-sales center for brushing, but it should be noted that once it is brushed, it will not be covered by the warranty.

Precautions for Brush Machine Different mobile phone models have different brush machine packages. Look at your mobile phone model and choose the brush package suitable for your mobile phone model.

Be sure to back up the important data and communication system in your mobile phone before brushing, otherwise these data will be gone and cannot be recovered after brushing.

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