iPhone4 how to disassemble the key

It can be disassembled with a small screwdriver.

Front and rear mirror design, metal frame, retina, etc., as a generation of classics, iPhone 4 naturally has countless users, of course, with the increase of use time, hands-on energy will inevitably disassemble and repair the phone, let's take a look at the iPhone 4 complete disassembly tutorial! (Compiled from ifixit).

Step 1: Unscrew the two screws on the bottom of your phone and press and hold the mirrored back cover on the back to push on the net to open the back cover.

Step 2: Open the back cover, and you can see the phone's battery, integrated circuits, camera, and other parts.

Step 3: Unscrew the fixing patch on the lower left corner of the battery and remove the battery connector to remove the battery.

Step 4: Unscrew the five screws of the EMI shield at the top and in the middle, and we can further see the various cable connections of the phone, including the camera, vibrator, core circuit board, etc.

Step 5: Unscrew the two screws in the upper right corner and you can remove your phone's vibrator.

Step 6: Use a pry tool to gently pry the top patch cables one by one, and then you can remove the camera parts of the phone.

Step 7: You can remove the speaker by unscrewing the screws on the bottom of your phone, and if dust accumulates due to prolonged use, you can try cleaning the mesh at the bottom with a brush.

Step 8: After prying all the chip cables, you can remove the main circuit board of the phone, and the core processing parts of the iPhone 4 are integrated into this circuit board.

If you want to turn on the button, you can choose to do it in the following way.

There is a tutorial linked. Web Links.

Precautions: 1. When removing the battery screw in Step 4, you must press and tighten it hard, otherwise it will take you if you can't open the screw.

2. It is difficult to lift the plastic sheet when removing the battery in step 6, and it will be better to knock it from the right.

3. In step 27, there are a total of four screws and an orange circled screw, don't forget.

4. In step 28, it is knocked from the power button, but it is actually easier to knock from the earphone port. Hold the screwed black metal ring in Step 23 first, and you can see that there is a gap between the screen and the middle frame. It is highly recommended to use a hair dryer to disassemble the screen while blowing , the chance of the screen breaking is almost 0

5. In the home button in Step 33, if you only want to change the cable, you will think, stick the key first or card the cable first? My advice is to stick the keys first!

Next is the time to reload.

6. When inserting the screen in Step 30, you must pay attention to inserting the cable first, and the thin cable behind the thick cable must be all passed, otherwise the length of the cable cannot be deducted into the card slot of the motherboard.

7. The screws in step 27 must be tightened to see if there are still gaps, whether they cannot be placed on the motherboard There is a stick on the right side of the camera in step 15, and the stick should be inserted under the cable on the right side of the camera.

8. In step 14, the lid must be closed tightly, and see if the screw eyes are aligned.

9. Install to this step, first install the battery to try the home button, in fact, I don't recommend doing this, if you have to test remember to shut down and pull the battery on the screw after the test, it will have a very troublesome effect.

10. The whole process must be handled with care, otherwise a bunch of messy parts will fall out.

If you want to replace the boot button for iphone4, you can make an appointment for repair and replacement through Apple's official website.

The operation is:1After logging in to Apple's official website, click on "Technical Support".

2.Click "Provide Serial Number", enter the correct machine serial number, and check the warranty period to make an appointment.

3.After the appointment is successful, you can bring the machine and ID card to the Apple store to replace it within the specified date.

You need to remove the motherboard to see the power button, and if you want to replace the entire power button (including the cables), you also need to remove the screen.

I need to change the motherboard, this is one with the motherboard, and as for whether the motherboard is new, hehe, ask for more blessings.

You haven't used an iPhone 4, right? The card is iphone4, and there will be a small iron rod in the packaging, and it will be sent inside, and it will be pressed on the small hole on the right side of the phone, and it will pop out of the sim tray if you use more force, and then put the card in.

The back cover of the iPhone 4 cannot be opened, and the card is placed in the card slot on the side.

Here's how:

1. First of all, you need to prepare a matching screwdriver. The screws on the bottom of the phone can be viewed.

2. Then use a screwdriver to unscrew the two screws at the bottom.

3. Then press and hold the back cover, push up, and the back cover can be removed.

4. You can replace the back cover and battery and other parts by yourself.

5. When installing the back cover, push it down, and then install the screws.

First of all, it should be noted that if it is not due to human reasons, the switch key damage is not required to refer to this experience, and the after-sales replacement must be carried out during the warranty period, so as to avoid other derivative problems in the future.

If the power on and off button is broken, it will affect functions such as "lock screen", "screen photo (screenshot)", "power on" and so on. In particular, the absence of the lock screen and screenshot function greatly affects the normal operation.

Deal with the issue of "unable to lock screen".

1. Open "Settings" - General "- Accessibility" - Assistive

touch", will.

When A-Touch is turned on, a small white dot appears on the screen, which is the multi-function auxiliary contact key.

2. Click this white button - "Device" - Lock Screen".

Deal with the issue of "unable to take screenshots".

1. Open "Settings" - General "- Accessibility" - Assistive

touch", will.

When A-Touch is turned on, a small white dot appears on the screen, which is the multi-function auxiliary contact key.

Deal with the "won't turn on" issue.

1. Fully charge the mobile phone to ensure that the power is enough to turn on, and the mobile phone will not be unable to turn on due to the computer.

2. Unplug the data cable, remember that both ends of the data cable should not be connected to the mobile phone and charger.

3. Connect a section of the data cable to the mobile phone, and press and hold the "home" button, which is the only button on the mobile phone.

4. At this time, don't let go of your hand and keep holding down the home button, and connect the data cable to the computer, which will show the white apple before it starts. Then the phone will be flushed on.

Apple 4 The key to turn on is normal, it is the boot button, the shrapnel is broken, and the shrapnel is broken, just change it to a mountain.

Shrapnel is charged 10-20 yuan.

If it's the whole Kainer talking about shouting the machine key to replace the hole, this will cost about 70 yuan, which is still less money.

I hope mine is helpful to you and I hope you are satisfied with the answer.