Samsung Epic 4G Touch Motherboard Replacement

• Insert a plastic opening tool or your finger into the opening near the left side of the headphone jack.
• Pry downward on the tool to release the rear case from its clips attached to the midframe.

Remove the rear case from the device.

Use the flat end of a spudger or your fingernail to press the microSD card slightly deeper into its slot.

• Press until you hear a click.
• Release the card and it will pop out of its slot.

During reassembly, push the microSD card into the slot firmly to avoid damaging it.

Remove the microSD card from its slot.

Insert plastic opening tool into crevice between battery and midframe.

• Pry battery upward by pushing down on plastic opening tool.

Remove the battery by lifting it out of the midframe.

Remove the six 4.0 mm Phillips #00 screws holding the midframe to the front panel assembly.

Incorrect prying may cause damage.

• Locate the midframe divot just left of the micro-USB port.
• Find the second divot, near the corner, right of the micro-USB port.
• The third insertion point is about two inches right of the volume control toggle.
• Alternatively, use a fourth point slightly to the right of the volume button

Insert a plastic opening tool just left of the micro-USB port, prying it gently between the midframe and display to create an opening.

Insert a plastic opening tool to the right of the micro-USB port.

• Pry gently between the midframe and the display to widen the gap.

Pry approximately 2 inches to the right of the volume control toggles, shifting them between the midframe and front panel assembly.

Locate the micro-USB connector on the front panel assembly.

• Pull the micro-USB end of the front panel assembly outwards and away from the midframe.
• Lift up to completely free the front panel assembly.

• Disconnect the headphone jack/vibrator assembly cable from its connector.
• Separate the front-facing camera cable from its connector.
• Disconnect the digitizer cable from its connector.
• Remove the display cable connector.

Disconnect the headphone jack/vibrator assembly cable with the flat end of a spudger.

Disconnect the front-facing camera cable connector using the flat end of a spudger.

Be cautious when handling the digitizer display cable — risk of damage.

• Disconnect the digitizer display cable

Disconnect the display cable connector using a spudger.

Remove the two 3 mm Phillips #00 screws.

Avoid damaging cables when removing the motherboard.

• Lift the micro-USB end of the motherboard from the display assembly.
• Pull the motherboard down carefully to avoid snagging on any cables.

Use the pointed end of a spudger to flip the tab on the rear-facing camera ZIF connector.

Slide a spudger under the rear-facing camera cable to release it.

Disconnect the rear camera cable from the motherboard.

Be careful not to damage the cable or socket.

Ensure the microphone cover is well seated over a small peg in the display assembly.

• Verify the microphone cover fits snugly into its designated notch.
• Reattach the microphone cover to avoid losing it, which may have become stuck to the motherboard during removal.