Introduction

This motherboard replacement guide applies to the Verizon Samsung Galaxy S4 Mini, model number SCH-I435.

Press and hold the END key to power the phone down.
  • Press and hold the END key to power the phone down.

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Remove the back cover of the cell phone using a plastic opening tool.
  • Remove the back cover of the cell phone using a plastic opening tool.

The LEGO Brick Separator (https://www.lego.com/en-us/service/brick...) also works perfectly if you don’t have the iFixit Opening Tool handy.

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  • Pry the battery out using a plastic opening tool.

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  • Using tweezers, remove the SIM card by sliding it towards the bottom of the device.

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  • Using a nylon spudger, push through the hole at the top of the memory card holder to slide it out.

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  • Remove the ten 4.0 mm screws on the back of the phone using the #00 Phillips screwdriver.

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  • Starting at the USB port, slide a plastic opening tool around the perimeter of the phone between the rear housing and frame. As you work your way around the edge, you will feel the clips release.

  • Carefully separate the rear housing and the mid-frame to reveal the inside of the phone.

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  • Use a pair of tweezers to lift the two charging assembly press fit connectors free.

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  • Use the flat end of a nylon spudger to lift the headphone jack press-fit connector up to release the ribbon cable.

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  • Use the flat end of a nylon spudger to lift the infrared sensor press-fit connector up to release the ribbon cable.

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  • Use the flat end of a nylon spudger to lift the front-facing camera press-fit connector up to release the ribbon cable.

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  • Gently lift the motherboard up and partially away from the device.

  • The digitizer ribbon cable is still attached to the underside of the motherboard.

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  • Put the flat end of a nylon spudger under the lip of the digitizer press-fit connector and lift up to release the connector and free the motherboard.

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Conclusion

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

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Richard Suovanen

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