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[91 Disassembly and Maintenance] Nubia Z7 Max Screen Breaking and Screen Changing Tutorial
Igao7 Second hand scientist 2016-07-27 15:06

What should I do if I break the screen? What should I do if I go out to repair the screen for fear of being trapped? It's expensive to go after sales. What should I do? The phone was broken, and the middle frame was also broken. Why not buy a screen of the same model online and change the screen yourself.

The left side is the broken machine, and the right side is the mobile phone screen with the middle frame that we bought from the Internet. Since there are no small accessories (rear camera, earpiece, touch key LED light, etc.), we need to disassemble the accessories on the original screen.

Turn off the machine, open the back cover and remove the SIM card. After that, we need to disassemble the screw at the blue ring and use a T5 screwdriver.

Disassemble all the screws on the machine

After disassembling the lower screws, it can be seen that the metal plate in the middle of the fuselage is buckled on the middle frame.

Slowly pry the metal frame down the gap

After removing the metal plate, remove the plastic plates at the upper and lower ends

After removing the plastic plate on one side, you can see the speaker module and antenna contact below

After removing the small board, use a crowbar to remove the battery cable, display cable (pressed under the key light), and touch the key LED cable

When prying off the plastic panel in the upper part, you can see that there are many flat cables below

The red circles are front and rear camera cables and touch cables

Removing the ribbon cable on the motherboard

After removing all the flat cables and the small boards at the top and bottom, use a cross screwdriver to remove the screws at the red circle on the main board, and remove the vibration motor at the bottom right corner to remove the main board.

Remove the cross screws on the motherboard

Remove the mainboard and remember to remove the vibration motor

Remove the camera and earpiece on the middle frame

Remove the key light cable on the middle frame

Turn on the phone to see if there is another problem. Remember to check the touch and the accessories (earpiece, camera and touch button) you just replaced

Then put the screen back in reverse order and try to turn it on again. After changing the new screen, I feel it is full of blood again!


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