Introduction

The motherboard of the Pantech Matrix C740 functions as the control center for phone functioning; however, faulty functioning of the motherboard may cause the device to either not function properly or not function at all. Therefore, this guide serves as an aid in the replacement of the motherboard for the Pantech Matrix C740.

Parts

No parts required.

Place phone with screen side facing toward you.
  • Place phone with screen side facing toward you.

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Flip phone over so screen side is now facing down.
  • Flip phone over so screen side is now facing down.

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Gently slide the backside phone cover off exposing the battery underneath. Gently slide the backside phone cover off exposing the battery underneath.
  • Gently slide the backside phone cover off exposing the battery underneath.

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Carefully lift the battery up from where the spudger is pointed.
  • Carefully lift the battery up from where the spudger is pointed.

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Remove the battery from its dock.
  • Remove the battery from its dock.

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Slide the SIM Card out of its dock. Slide the SIM Card out of its dock. Slide the SIM Card out of its dock.
  • Slide the SIM Card out of its dock.

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Use a Phillips screwdriver to remove the four 2mm Phillips #000 screws from each corner of the device. Use a Phillips screwdriver to remove the four 2mm Phillips #000 screws from each corner of the device.
  • Use a Phillips screwdriver to remove the four 2mm Phillips #000 screws from each corner of the device.

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Rotate the phone so the base is facing you. Use spudger to separate phone casing and inside as shown.
  • Rotate the phone so the base is facing you.

  • Use spudger to separate phone casing and inside as shown.

  • Remove the casing carefully and set aside.

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Place phone with exposed motherboard facing you. Use a Phillips screwdriver to remove the five 2mm Phillips #000 screws holding the camera in place.
  • Place phone with exposed motherboard facing you.

  • Use a Phillips screwdriver to remove the five 2mm Phillips #000 screws holding the camera in place.

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Carefully lift up the motherboard to expose the back of the keypad.
  • Carefully lift up the motherboard to expose the back of the keypad.

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Use spudger to gently pry the keypad away from the rest of the phone. Use spudger to gently pry the keypad away from the rest of the phone.
  • Use spudger to gently pry the keypad away from the rest of the phone.

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Grip the motherboard and gently pull to separate it from the rest of the phone. Grip the motherboard and gently pull to separate it from the rest of the phone. Grip the motherboard and gently pull to separate it from the rest of the phone.
  • Grip the motherboard and gently pull to separate it from the rest of the phone.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

Zeel Patel

Member since: 10/13/2014

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