Introduction
The logic board is the main component of the HTC Excalibur and is responsible for processing data and connecting the hardware. If your device has experienced a malfunction in like continuous crashes, failure to reboot, or it's unresponsive.
This guide is here to help you go through the step-by-step process to replace your logic board. Make sure to have all your tools, a replaceable board, and space that work in. Be careful while working with the device and avoid damaging the components of the device.
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Start off with a clean open space to work in and then power off your phone.
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Remove the SIM card and microSD, if it was inserted.
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To take off the back cover, you can use a pry tool or your fingernail to take it off.
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Gripping the battery by the bottom, lift and remove it from the phone.
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After removing the rubber stoppers on top, there should be six exposed screws. Remove these using the T6 screwdriver.
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Next, use the spudger to loosen the case underneath the shiny metal edge. Go all the way around the phone until completely loosened.
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After loosening the case, remove it.
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When taking the cover off, make sure not to snap any of the clips that are attached to the phone.
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Disconnect all the ribbon cables that are connected to the logic board and do it either with the plastic pry tool or tweezers.
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On the left side of the phone, there are three copper colored clips.
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Unclip the bottom clip, thread the middle one through the logic board, and pull the top one out gently.
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You can then lift the logic board out of the phone.
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Be gentle when taking the logic board out and be mindful of any remaining connectors or adhesive.
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When installing the logic board, make sure it is aligned properly in the phone.
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After, reconnect all the ribbon cables back to the logic board and insert the screws again.
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To reassemble your device, follow these instructions in reverse order.
