[Windows Phone 8s by HTC] repairsuniverse:
The helpful techs at Repairs Universe have put together this screen repair guide for the HTC Windows Phone 8S. This take apart guide will help walk you through all of the necessary steps to safely disassemble your Windows Phone 8S to perform repairs such as a replacing a cracked or broken screen or even internal components that may have stopped working.

This repair guide will help you install the following Windows Phone 8S parts:

Windows Phone 8S Touch Screen Digitizer Replacement

Windows Phone 8S LCD Screen Replacement

Windows Phone 8S LCD + Touch Screen Assembly

Recommended Repair Tools:

Small Phillips Screwdriver (#00)

T5 Torx Screwdriver

Adhesive Strips

Safe Open Pry Tool

Spudger Opening Tool

Heat Gun or Blow dryer

How to fix a Windows Phone 8S (Step-by-Step Tutorial) :

Before you begin make sure you fully power off your device.

Next take your pry tool or fingernail and remove the bottom back cover. From here you will need to remove your sim card and/or micro SD card.

With this cover removed you can take your Torx T5 screwdriver and remove the two (2) screws circled in the figure shown below.

Now taking your safe open pry tool start prying off the back housing by releasing the clips holding it in place. (Be careful not to damage or break these clips.)

See figure below for reference:

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With the back housing removed you can now remove the six (6) Small Phillips (#00) screws circled in the figure below.

Please note that the screws circled in BLUE are a different size from the screws circled in RED.

There will also be a small black protective cover that can be removed with the screws circled in BLUE.

See figure below for screw locations:

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Now with the screws removed you want to lift out the battery and fold it over to the side where the flex cable is still connected.

You can now remove the black housing covering its connection.

Now taking your pry tool gently release the battery connection and remove it from the device.

See figure below for reference:

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Now taking your pry tool you will need to gently peel up the three components from the housing highlighted in GREEN in the figure below. These are the volume buttons, vibrator motor and power button.

Be cautious not to rip or tear their connections. You will only need to release them from the housing in order to remove the motherboard. (The volume and power buttons are held down with a little adhesive, the vibrator motor has it's own nest in the housing.)

You will also need to remove the protective tape covering the connections highlighted in BLUE in the figure below. Then use your pry tool to safely release their jaw-bone connections.

With these components now freed from the housing you can now safely pry up and lift out the motherboard. (Use caution when handling the motherboard.)

Next you will want to remove the protective tape covering the mid-frame and the back of the LCD screen from the slots in the housing. (Highlighted in RED in the figure below)

You now will want to gently peel up the ribbon cable(s) pointed out with red arrows in the figure below. These arrows point in the direction to which you will want to peel these cables from the housing. (Use caution not to rip or tear these flex ribbon cables.)

You will also need to take your spudger and gently lift up the copper colored film from the back of the LCD screen to be able to remove it from the housing without any issues.

See figure below for reference:

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To proceed you will need to take your heat source and apply heat to the front and back of the mid-frame and screen assembly.

A medium heat setting hovering roughly 3-4 inches away from the device is ideal. Evenly heat these areas for roughly 30-45 second intervals. (Be cautious not to hover over any flex cables you may not want to damage.)

The adhesive holding the back of the LCD to the mid-frame is quite strong. You will need to apply enough heat to the back of the frame to loosen this adhesive enough to remove the screen assembly.

See figure below for reference:

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With the screen and mid-frame properly heated you can begin prying the LCD + digitizer assembly starting from the back of the mid-frame.

We found that using a spudger opening tool is ideal to get between the LCD and this mid-frame. Insert the chisel end of your spudger through these slots in the frame as demonstrated in the figure below.

While attempting to remove the screen assembly from the mid-frame insert your spudger in a slot in the housing and use a second pry tool to work around the edges of the screen. The spudger will give you enough space for extra prying leverage and keep the LCD from re-adhering to the adhesive on the frame.

Once enough of the adhesive is releasing the screen assembly you should be able to remove the screen assembly completely from the mid-frame.

Be cautious of the flex cables when sliding them through the slots in the housing.

See figure below for reference:

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Notice: Repairs Universe's repair guides are for informational and learning purposes only. Anyone attempting to repair their device should do so at your own risk.