Introdução
Use this guide to replace a broken or defective AMOLED Screen & Digitizer in your Xiaomi Mi 8.
Due to the phone’s design, you must remove the lithium-ion battery to access the display cables. Reusing a deformed battery after it has forcefully been removed, is a potential safety hazard. In this case, replace it with a new battery.
Before disassembling your phone, discharge the battery below 25%. The battery can catch fire and/or explode if accidentally punctured, but the chances of that happening are much lower if discharged.
Note: This guide instructs you to replace only the screen while leaving the original frame and motherboard in place. However, some replacement screens for this phone come pre-installed in a new frame (a.k.a. chassis), which requires a very different procedure. Make sure you have the correct part before starting this guide.
You’ll need replacement adhesive to reattach components when reassembling the device.
O que você precisa
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Apply a heated iOpener to the rear glass to loosen the adhesive beneath the edges. Apply the iOpener for at least two minutes.
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Secure a suction handle to the lower edge of the rear glass, as close to the edge as possible.
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Lift the rear glass with the suction handle to create a gap between the glass and the frame.
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Insert an opening pick into the gap.
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Slide the opening pick to the bottom right corner of the phone.
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Insert a third opening pick at the bottom left corner.
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Start to slide the opening pick from the bottom left corner along the side of the Xiaomi Mi 8 to cut the adhesive.
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As the adhesive cools down it gets harder to cut. If necessary use your iOpener to reheat it.
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Leave the opening pick in the top left corner to prevent the adhesive from resealing.
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Remove the ten screws that secure the motherboard cover.
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Eight Phillips #00 screws (3.4 mm length)
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Two Phillips #00 screws (3.5 mm length)
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Use a spudger to pry up and disconnect the battery flex cable located at the bottom of the motherboard.
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Use a pair of tweezers to peel the black ends of the adhesive tabs off the battery.
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Apply a heated iOpener to the display for two minutes to loosen the adhesive beneath.
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Apply a suction handle near the bottom edge of the phone.
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Use the suction handle to pull up the screen and insert just the tip of an opening pick under the bottom edge of the screen.
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Slide the tip of the opening pick to the bottom right corner. Leave it there to prevent the adhesive from resealing.
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If possible, turn on your phone and test your repair before installing new adhesive and resealing the phone.
To reassemble your device, follow these instructions in reverse order.
The best way to secure the new screen is with a sheet of custom-cut double-sided tape. Apply the tape to the back of the screen, then carefully feed the display cable through the frame. Align the screen and press it into place.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Check out our Answers community for troubleshooting help.
If possible, turn on your phone and test your repair before installing new adhesive and resealing the phone.
To reassemble your device, follow these instructions in reverse order.
The best way to secure the new screen is with a sheet of custom-cut double-sided tape. Apply the tape to the back of the screen, then carefully feed the display cable through the frame. Align the screen and press it into place.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Check out our Answers community for troubleshooting help.
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