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Passo 1 Disassembling HKC P886A Overall Device Disassembly

Insert the flat tip of the metal spudger into the seam between the back panel and the screen.
The easiest insertion point for the metal spudger is at the corners of the device.
Slide the spudger across the perimeter of the device and gently pry apart at each corner.
When the screen is separated from the back panel there will be two connected ribbon cables between the two halves of the device. These cables must be disconnected before further disassembly.
After the pressure clamps are released orient the device so that the speaker is to the right and the screen is tilted away from you.

The device is oriented with the camera to the right and the external button towards the top of the picture.
Locate the shorter ribbon cable and the black pressure tabs that hold the ribbon cable in place.
The tabs used to connect the ribbon cables are fragile and can easily be damaged.
Use the plastic spudger to gently slide the tabs about 2mm away from connector.
Once tabs are successfully disconnected the ribbon cable should come out of the port without resistance.

Locate the longer ribbon cable and the pressure clamp that holds the cable in the connection port.
Using the plastic spudger, flip the black locking clip up.
The pressure clip will click when it has been disengaged.
Once the clip is unlocked, the cable should slide out without resistance
In photo 1 the device is oriented with the camera to the left and external buttons towards the bottom. In photo 2 the device is oriented with the camera toward the user. In photo 3 the camera is to the left.

Insert the flat tip of a metal spudger into the seam between the back panel and the screen.
The easiest place to start is at one of the corners.
Gently slide the spudger along the edge to release the pressure clamps.
Caution: When separating the screen from the back panel, two ribbon cables connect the front and back halves of the device. Do not pull the halves apart until the cables are safely disconnected.
Once the clamps are released, orient the device so that the speaker is on the right and the screen tilts away from you.

Position the tablet so the camera is on the right and the external buttons are at the top.
Locate the shorter ribbon cable and the black locking tabs that secure it.
Caution: These locking tabs and cables are very delicate. Use light pressure to avoid tearing the connectors.
With a plastic spudger, gently slide each black tab about 2 mm away from its connector to unlock it.
When the tabs are released, the ribbon cable should lift out of the port without resistance.