How to Replace the Screen on a Xiaomi Mi 399


The Xiaomi Mi 3 is a popular smartphone that was released in 2013. It is a well-built device with a high-quality display, but like all smartphones, it is not immune to damage. If you have cracked or damaged the screen on your Mi 3, you can replace it yourself with a few simple tools and a little bit of patience.

Tools and Materials* New Xiaomi Mi 3 screen
* Phillips #00 screwdriver
* Tri-wing screwdriver
* Spudger
* Suction cup
* Heat gun or hair dryer

Instructions

1. Power off your Xiaomi Mi 3 and remove the SIM card tray.

2. Use a Phillips #00 screwdriver to remove the two screws at the bottom of the phone.

3. Use a tri-wing screwdriver to remove the three screws on the back of the phone.

4. Use a suction cup to lift up the back cover of the phone. Be careful not to break the cable that connects the back cover to the motherboard.

5. Use a spudger to disconnect the battery connector.

6. Use a spudger to disconnect the display connector.

7. Use a heat gun or hair dryer to heat up the edges of the screen. This will help to soften the adhesive that holds the screen in place.

8. Use a spudger to pry up the screen from the frame of the phone. Be careful not to damage the screen.

9. Remove the old screen and replace it with the new screen.

10. Connect the display connector and the battery connector.

11. Replace the back cover of the phone.

12. Screw in the three screws on the back of the phone.

13. Screw in the two screws at the bottom of the phone.

14. Insert the SIM card tray.

15. Power on your Xiaomi Mi 3 and test the new screen.

TroubleshootingIf you are having trouble replacing the screen on your Xiaomi Mi 3, here are a few troubleshooting tips:
* Make sure that you are using the correct tools.
* Be careful not to damage the cables that connect the back cover to the motherboard and the display to the motherboard.
* If you are having trouble prying up the screen, use a heat gun or hair dryer to heat up the edges of the screen.
* If you are having trouble connecting the new screen, make sure that the connectors are properly aligned.

ConclusionReplacing the screen on a Xiaomi Mi 3 is a relatively simple process that can be completed in about 30 minutes. By following the instructions in this article, you can save yourself the cost of having the screen replaced by a professional.

2024-12-05


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