DIY nokia c7 repair

In detail: do-it-yourself nokia c7 repair from a real wizard for the site my.housecope.com.

Disconnect the battery.

Using a screwdriver (hex T4), unscrew the 2 bolts.

Detach the panel at the bottom.

Disconnect the control buttons.

Using a screwdriver (hex T6), unscrew the 2 bolts at the bottom.

Raise and flip the touchscreen frame.

Using a screwdriver (hex T6), unscrew the 2 bolts at the top.

Lift and turn over the display panel.

Disconnect the PCB display connector.

Disconnect the sensor connector on the PCB.

Display panel and PCB frame.

Disconnect the PCB connector and remove the headset connector.

Take out the SIM card cable from the fixing hole in the frame.

To disassemble, you will need a Nokia Standard toolbox, a camera eject tool, a screen removal tool, a charging plug, and an audio headset plug.

Stick the protective film on the front panel of the mobile phone. Open the battery cover to the open position. Remove the cover and remove the battery from the Nokia C7.

Remove the 2 screws with a star screwdriver in the order indicated.

Using a credit card or guitar pick, remove the bottom end plate of the front panel of the Nokia c7. To do this, insert the pick into the gap between the body and the overlay and draw in the indicated direction in order to disengage the overlay latches. Pull the faceplate end plate in the indicated direction and remove it. We remove the key.

Unscrew the 2 bolts with an asterisk screwdriver in the indicated order. Gently slide the bezel in the indicated direction to detach it.

Video (click to play).

Turn the bezel over carefully. Be careful! Do not damage the cable. Before disassembling Nokia c7 stick the screen protector.

Using the SS-93 tool, carefully pry the corner of the screen as shown in the figure. Now you need to carefully detach the screen using a special tool.

Let's pry the screen with the SS-250 tool and turn it over. When flipping the screen, be careful not to break the cable.

Remove the three screws with a star screwdriver in the order indicated. To disassemble the Nokia c7, we use the SS-93 tool and turn off the loop with it.

Using the SS-93 tool, release the latches of the middle panel. Remove the middle panel.

We will pry the socket of the charger with the plug of the charger and remove it. Remove the speaker gasket.

Use the end of the SS-93 tool to detach the speaker latches. We remove the speaker with tweezers.

Disconnect the shield cable connector using the SS-93 tool. Removing the screen. Use the SS-93 tool to disconnect the touchpad ribbon connector. Be careful! Removing the front panel.

Press the SS-231 tool onto the top antenna connector. Disconnect the top antenna socket. Press the SS-231 tool against the bottom antenna connector.

Disconnect the bottom antenna socket.

Use tweezers to remove the antenna cables from the clips. Pry the antenna using SS-93.

We remove the antenna with tweezers. Use the SS-93 tool to unplug the audio headset ribbon jack. Be careful! Do not damage the surrounding parts.

Pry up the audio headset jack with the audio headset plug. Remove the audio headset jack with tweezers.

Open the USB dongle. Disconnect the SIM card slot using SS-93. Be careful! Do not damage the surrounding parts.

Use tool SS-93 to release the lower system board latch. Using the SS-93 tool, release the other board latch.

Removing the motherboard. Using the SS-210 tool, remove the camera block.

Pry off the protective cover of the microprocessor with a scalpel. Remove the protective cover of the microprocessor using tweezers.

Let's pry the speaker with a scalpel. We remove the speaker with tweezers.

Use a scalpel to remove the speaker adhesive gasket. Do not reuse it; throw it away.

Teardown Nokia c7 finished, you need to assemble the phone in reverse order.

Repairing a Nokia c7 is not a cheap thing, so you need to initially think about taking proper care of such an expensive thing.

Nokia phone models follow fashion, maintaining their own style and their own vision of what a stylish and modern lineup should be. All these ideas fit well into the structure of the company and are embodied in phones that are always ready to surprise us with their functions and novelties and delight us with their technological features. The embodiment of modern achievements can be called the Nokia C7 model. It retains all the virtues of the Nokia line, but also reflects the latest trends: a large touchscreen, improved camera performance, sound, battery capacity and internal phone functions.

However, even with such reliable phones, troubles do happen. Most often, the source is the owners themselves. They may not comply with the conditions for using the device, for example, use it in the rain or leave it in unacceptable places - on the floor, in a bag without a cover. All this damages the phone, clogs small parts of it with dust, scratches the case and display, and destroys internal circuits. Subsequently, such owners have to pay for their appeal. Repairing a Nokia c7 is not a cheap thing, so you need to initially think about taking proper care of such an expensive thing.

One of the biggest annoyances that can happen with the Nokia C7 is the cracked screen. This can happen with every phone when it falls off the table, out of pocket or out of hand. Of course, the cover would have prevented major damage and costly repair of Nokia cell phones might not be needed. Especially when you consider that Nokia branded phones are generally very resistant to shock and mechanical stress. But not everyone follows the precautions in the operation of a cell phone, so if the screen still breaks or cracks appear on it, this is not a reason to sound the alarm and say goodbye to an expensive device. Most likely, everything is fixable.

Repair of Nokia c7 will begin with the selection of the screen he needs. It should be noted that they are also different - original and non-original, or, in other words, fakes of Chinese production. In principle, of course, there is a difference between them, but not every user notices it, and often it is also led to a lower price for a non-original version. What is the end result? A non-original version may well serve you for a sufficient time, but the image quality on it will be clearly worse, and the degree of contact when touching is lower. Whether the game is worth the candle in this case is up to you, but we undertake to warn you with confidence that after a while you may need to re-repair your Nokia cell phones.

The process of replacing the display itself will be short-lived and most likely, if you did not self-medicate the device, it will take place without any consequences on the phone. If the internal parts of the phone were touched during the fall, the repairman will replace the necessary parts after diagnosing the phone. Thus, your phone will get a second life, and you will get your assistant back!

Important: Disassembling your device voids your device warranty. The site is not responsible for your device. If you are not confident in your abilities, contact a certified service center.

Tools

1) Screwdriver Torx 4.6
2) Unnecessary credit card or something like that.
3) Tweezers

1) Remove the back cover and take out the battery

2) Remove the two torx size 4 screws

3) Using a plastic tool (you can use a guitar pick), remove the lower front panel of the phone case

5) Using a plastic tool, pry off the keypad of the phone

7) Unscrew the two torx screws size 6

8) Flip the front cover of the phone. Be careful not to damage the train

10) It is advisable to stick a protective film on the phone display to prevent it from small scratches and dust

11) The phone display is glued, using a plastic flat screwdriver, slightly pry the display by the corner

12) Now, insert a special tool (you can use a plastic card) between the case and the display of the phone

14) Flip the display over, be careful not to damage the display flex

15) Remove the 3 torx size 6 screws

17) Release the latches on the middle board as shown in the picture below

18) Now, the middle panel can be removed

19) Using the plug of the charger, remove the charging connector if you need to replace it

20) If you need to replace the speaker, then first disconnect the latches on the middle panel

21) Now, remove the speaker itself

22) Next, disconnect the display cable. Be careful not to damage the adjacent elements on the board

24) Disconnect the touch panel cable

25) Remove the front panel

26) Now let's remove the phone antenna, for this we disconnect the antenna cable from above

27) Disconnect the antenna cable from the bottom

28) Using tweezers, release the antenna cable from the latches

29) Pry the antenna with a plastic tool

30) Now the antenna of the phone can be removed

31) If you need to replace the audio connector, then disconnect the audio connector

32) Then, using the audio headset plug, we pry the board

33) Remove the board with tweezers

35) Disconnect the SIM card reader connector. Be careful not to damage the adjacent elements on the board

36) Disconnect the lower motherboard latch

37) Disconnect the second latch

38) Now the motherboard can be removed

39) Remove the phone camera if it needs to be replaced

40) You can also replace the speaker of the phone if it is faulty

41) Phone disassembly completed

This is a translation of the official Nokia C7 disassembly guide from Nokia.

Phone disassembly video

The Nokia Service Center in Moscow repairs the C7 model and provides a full range of services for servicing the phones of this brand. The Nokia Center always has the necessary stock of spare parts for express repair of Nokia C7 in stock. Please note: the extra charge for the urgency is 0%. Thanks to modern equipment and experienced qualified personnel of the service center, repairs are carried out in the shortest possible time. For example: it takes 15 minutes to replace the display with a Nokia C7, 30 minutes to replace the housing, and 20 minutes to replace the touchscreen.The body of Nokia C7 (C7-00) is made of metal parts and has a high specific weight. Such phones are difficult to hold in their hands, as a result of which a frequent reason for the owner of the phone to go to a service center is to replace the display or touchscreen (touchscreen).We do not recommend trying to repair the device yourself, even if you are well versed in technology, because a special tool (spatula) is needed to remove the display. It adheres very strongly to the frame at the factory, and if removed incorrectly, it may crack, or the loop may be damaged. And the display will cost more than the repair work itself. Also, the touch glass cable is very thin, it breaks easily if the case is opened carelessly.

Preventive cleaning of the device board from dust and dirt - with a discount for 300 rubles;

Elimination of device corrosion;

Display and touchscreen replacement;

Firmware for the new software version, Belle Refresh installation (with a new design);

Replacing the cable (a large cable under the display, it changes if the side and bottom buttons do not work).

Power supply circuit repair;

Flash memory chip replacement;

Replacing the processor;

Sound circuit repair (when speaker replacement does not help).

Nokia C7 firmware update:

Nokia phones are one of the most reliable, and often even the owners of modern smartphones do not want to part with their "old friend", using it as a backup option. And some simply do not want to change Nokia to a more modern phone, since they are completely satisfied with it.

But even with these gadgets, troubles happen. For example, the nokia asha 200 phone is a great usable model, but it happens to freeze. The cause may be shock, water ingress, memory overload, operating system failure.

It happens that there is no way to get into the phone repair service. Something you can do yourself. For example, clear memory by deleting unnecessary SMS and contacts. If your phone gets wet, try drying it by removing the back cover and removing the battery. It will take 1-2 days. If the phone does not work after that, it means that the contacts have oxidized. Try cleaning them with rubbing alcohol, acetone, or a special oxide remover. If this did not help, then alas ... This means that the liquid has thoroughly spoiled the microcircuits and you cannot do without replacing them. And it is better to do it in the service.

If you still want to try self-soldering microcircuits, wiring or a pad on the board, you will need a hair dryer to warm up the microcircuits, flux and rosin. You can only warm up those that are not filled with a compound - a special resin. But if you really need to, there are liquids for removing the compound. Now we act according to the following algorithm:

we warm up and remove the microcircuit;
we clean the remnants of the legs on the microcircuit and the board with a soldering iron;
we put the microcircuit on the stencil, making sure that the holes of the stencil coincide with the contacts of the microcircuit;
cover the holes with BGA paste;
heat the paste until the lead balls appear;
wait for cooling, then remove the stencil;
heat the microcircuit to the board with a hairdryer.

Replacing the glass is easy. It must be greased with soldering fat and heated with a hairdryer. Then clean the contacts on the board to zero with a soldering iron. After that, put a new glass and warm it up with a hairdryer.

Nokia software repair is a job for specialists. It is necessary to understand the firmware configuration: which files are responsible for which functions, as well as many other nuances. It is better for a beginner not to take on this and take the phone to the service, but such trifles as a crack in the glass are an excuse to train their skills.

The phone was brought in for repair in a "killed" state, we had to replace the original touchscreen with a frame and a display.

the display must be warmed up and removed carefully with plastic

Pi. ry hara screen do not get fooled by this scum

Not to take an example, with such a disassembly, everyone tears the loop to the sensor.

please tell me if I put the camera from c6 to c7 it will work

So if my phone does not respond to pressing, does it mean I damaged the cable that goes to the frame?

Do you need to buy a touch with a frame?

you cut off the touch when you put it together, your hands are out of the point

condom you, because of you the screen broke

+ roman svibovich ahahahahha! Dude you made my day!

in slow motion is it possible to write hungari and everything else

The screen will not peel off like in the video, use a plastic card to peel off the screen!

along the way, the screen changed more than once - it is sooo tightly glued, and you just can't remove it.

Do not tear the screen as in the video, you will break it. The screen is glued. Here, for some reason, it can be easily removed, in practice everything is more complicated.

He already had the screen peeled off and the sensor cable torn off, ahahahahha

In block diagnostics, it is determined which specific element (housing, protective glass, sensor, printed circuit board, connectors, speakers, microphone, antenna, battery) is out of order.

Checking sayadku, if the phone is fully charged, otherwise:
We check the phone connector, if it works, then:
If all of the above does not suit you, then you will need to reflash or repair the phone's motherboard.

Checking PI will lose the chargeif the phone battery is charged then:
We check and whether it is correct power button on the phone;
If nothing was found at this stage, the cause of the breakdown, we recall - if the phone was flooded with liquid, or the phone fell and stopped turning on, most likely the phone's motherboard will need to be repaired.

Check if the phone detects another sim cardif it detects then:
Checking Phone settingsif the settings are correct then:
Phone flashing is required.

Checking phone flash cardif serviceable then:
Checking USB flash drive connector on the phone, if it is also working properly, then:
You need to flash your phone, or remot the phone's motherboard.

Checking usb cableif the cable is ok then:
We check the phone connector, if it is ok then:
You need a motherboard repair or phone flashing.

Checking settings, if the settings are correct, then:
Checking Internet connection, if the connection is stable, then you need to reflash your phone.

Checking Phone settingsif the settings are correct then:
Checking WiFi adapter phone, if the order requires a flashing of the phone.

Checking connection cable to the computer if the cable is whole then:
Checking driver phone on the computer, if the correct drivers are installed, then:
Phone flashing is required.

Checking for availability physical damage screen, if not then:
Checking display cable phone, if the loop is intact, then:
Phone flashing or motherboard repair is required.

We check the integrity of the touch screen for damage, if it is intact then:
Checking touch screen flex, if int, then:
Phone flashing is required, or controller repair display.

Checking Phone settingsif the settings are correct then:
We check the integrity of the microphone, if it is intact:
Check if it works microphone controller if it works on the phone:
Phone flashing is required.

Component Nokia C7 phone diagnostics are diagnostics of the phone's system board. This type diagnostics, being more complex, is the identification of the damaged element on the Nokia C7 board. Repair device after this diagnosis is a re-soldering of microcircuits and replacement of defective elements on the board of the Nokia C7 phone.

Display - part screenwhich shows the image and is behind touch or protective glass. Damaged display phone Nokia C7, whether defective pixels or blurry screen, makes it difficult to work with the Nokia C7 phone or makes it impossible, because the image loses sharpness and clarity.

With a defective display, it is more difficult to read text on the Nokia C7 phone screen, operate with the touchscreen, and view pictures or videos.

Damaged display will not "cure" over time, but it can finally go out at the most inopportune moment, which can cause very great inconvenience. If The display on the Nokia C7 phone is faulty - You can contact our service center.

In modern models of smartphones, there are practically no buttons left, and the keyboard function has been taken over touch glass... If the glass has lost its sensitivity, then you will not be able to fully control your smartphone.

And even if The touchpad on the Nokia C7 phone is cracked, but did not lose sensitivity, then you should know: he did not have long before the final breakdowns... If you don't want to lose the main control, or damage the display.

The display of the Nokia C7 mobile phone protects against damage by a special protective glass... If glass cracks or a chip appears on it as a result of the fall, then display your phone is at risk: it may be damaged too, and the image may become “blurry” or even stop displaying the C7 phone. If dust or small debris gets behind the glass, which will further damage it. The specialists of our service center can replace the protective glass of your Nokia C7 phoneto prevent possible display breakage.

See a detailed master class with a photo and a description of how to repair a Nokia phone with your own hands.

In principle, everyone can repair a mobile phone, knowing almost all the nuances. For example, I took an old model of a Nokia (Nokia) 6600 smartphone. See also articles on the topic - DIY electronics repair.

The problem with this phone is this: Almost no sound is heard from the speaker during a conversation. This happened after the mobile fell to the floor. I didn't want to carry it for repairs and give a good amount.

AND I had to start repairing a mobile phone at home. All types of monoblocks are assembled in almost the same way. Only the location of the bolts, speakers, vibro, side buttons, etc., changes. This article will help you to save money and gain additional experience.

So, we figured out the breakdown - you can't (almost) hear the sound in the speaker.

In order to repair the phone with our own hands, we need: a set of hex screwdrivers, a plastic card (you can take a used card to top up your account) and the mobile phone itself. Since I took the Nokia 6600, the detailed instructions will be for this particular model.

We turn the phone over and see the button, the photo shows its location. After pressing it, the back cover can be easily removed.

Now we take out the battery and sim card. If there is a flash memory, then it must also be obtained.

Next, we look at the photo - where Place 1 is shown, you need to insert a plastic card into this slot and go around the entire case so that the top cover is removed.

When the top cover is removed, find the hex bolts. The photo shows their location. Unscrew all four bolts and carefully remove the board.

After removing the board, you can see that the speaker, vibration motor, headphone jack, charger jack and microphone are located on the bottom of the phone case.

The location of all these listed parts can be seen in the photo. The speaker on this part of the case stands for loud playback of music, video, etc. That is, when the phone rings or a video is viewed without headphones, the sound comes from this speaker.

This is not the speaker used for conversation (except when using the speakerphone).

If the breakdown is that the vibration signal does not work, or a loud speaker, or a microphone, or a phone jack, then the problem is solved by slightly prying off the copper contacts of the corresponding part.

If this does not help, then you need to clean the copper contacts on the board itself. Clean preferably with felt or similar material.

Next, let's focus on the board. In order to get to the speaker, you need to get rid of the metal plate and TFT screen.

The photo shows the attachment points of the metal plate.It is enough to slightly pull these fasteners with a thin screwdriver to remove this plate.

After removing the metal case, you can see that the board still cannot be removed from the plastic case. A screen with a loop interferes here. To remove the phone screen, you must disconnect the ribbon cable plug.

When we got rid of the screen, we see that the board can be easily removed from the case.

Now that the board is removed, the copper contacts for the speaker are visible on it, and the speaker itself is also visible on the case. You need to clean the contacts on the board with felt and slightly bend the contacts on the speaker.

After all this is done, you can start assembling the mobile. This is done step by step exactly the opposite.

The board is fixed in the case, the screen is connected, then a metal plate is inserted, after which the board with the screen is installed in the lower part of the case and fixed with four bolts. Now it remains to put on the upper part of the mobile phone case.

That's it, the Nokia 6600 mobile phone has been assembled and refurbished by hand!

We will call you back
within 5 minutes
After you
leave a request

Urgent repair of the Nokia C7 phone will be required in case of such problems with the device as liquid penetration into the case, breakdown of a microphone or speaker, damage to connectors, as well as other types of defects.

Repair services are provided at low prices thanks to well-established relationships with suppliers of spare parts and equipment, including for Nokia C7 phones and other models.

To contact our managers in St. Petersburg, order a call back or place an order for the repair of a mobile phone on our website in a special form. It is very easy to monitor the status of the repair on our website by the online order number.

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        Price from Diagnostics
        
        Warranty 3 months
        
        Time 24 hours
        
        Bottom train
        Nokia C7
        
        Price from 1 450 p
        
        Warranty 3 months
        
        Time 1 hour
        
        Volume buttons
        Nokia C7
        
        Price from 1 350 p
        
        Warranty 3 months
        
        Time 1 hour
        
        Audio codec
        Nokia C7
        
        Price from 2 550 p
        
        Warranty 3 months
        
        Time from 1 hour
        
        Cleaning in an ultrasonic bath
        Nokia C7
        
        Price from 990
        
        Warranty 3 months
        
        Time from 1 hour
        
        You can write to the director directly about any service issues in our service
        
        Video (click to play).
        
        We know that the issue of the warranty period is often raised by our new customers. A mandatory guarantee for all types of work and services gives you confidence in using our service. For many years of work, we have certainly fulfilled all warranty obligations. Maintaining this reputation has allowed us to create true family and business traditions of service in our center. Performing work efficiently and on time - we create this trust and can be proud of such attitude of clients towards us. You can be sure of the quality of our service center.
        
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