Get the replacement parts and tools
Before beginning the repair, you'll need to get the necessary replacement parts and tools.
The iPhone's front panel and LCD are fused together, so I recommend buying both as a single unit--most parts providers only sell them this way.
You'll find them anywhere from $50 to $150 online. Just be sure that you buy the right one for your phone, and read the reviews of people who have installed them.
Not all replacement screens are made to the same tolerances as the original part. I also suggest you buy a replace screen with the front-facing camera, earpiece, and sensor assembly already attached.
The Home button is another story. Very few, if any, replacement screens come with the 5S's fingerprint-scanning Home button.
Before installing the new screen, you'll need to transfer the button from your old screen to the new one. But we'll get to that in a minute.
In this guide, I'll be replacing the panel on an AT&T iPhone 5S, but you can use same basic steps on phones from other carriers and,
with the exception of the steps relating to the Home button, on the iPhone 5 and 5C.
Lastly, know that by following these instructions, you do so at your own risk.
And remember to back up the data on your phone before starting the repair.
Step 1. Eject the SIM card
With all the prep work finished, we'll start the repair by ejecting the SIM card.
Step 2. Remove the broken display
Next, remove the two screws located along the bottom edge and gently lift up on the front panel using the suction cup and a prying tool if necessary. Take care not to pull the panel too far.
Before completely removing the panel, we'll need to disconnect several cables, starting with the one for the Home button, which is covered by a small metal bracket.
To disconnect the other cables, we'll need to remove a metal shield on the upper portion of the motherboard.
Finally, we can detach the panel's three remaining cables and completely remove it.
Step 3. Transfer the Home button
Before we can install our new panel, we need to transfer the Touch ID enabled Home button from the old panel to the new one.
So first, remove the single screw that secures the button's cable. Note the position of the small contact under this screw.
It will need to be in the same position on the new panel.
Next, very gently fold the cable down so we can access the metal bracket underneath.
Now, remove the two screws attached to the bracket and the bracket itself.
Finally, comes the most delicate part of the process. Very, very carefully pry the Home button cable away from the panel, followed by the Home button.
You may need to apply a little heat to the soften the adhesive as you remove these components.
You may also need to push up on the button from the front of the panel. Just be gently and go slowly.
With the Home button removed, we can place it on our new panel, reattach the bracket, and reposition the cable.
Step 4. Install the new display
We're now ready to install the new display. So, reconnect the cables at the top of the panel and replace the metal shield.
Then reconnect the Home button and reposition its metal bracket.
Lastly, press the new panel onto the frame, secure it with the two pentalobe screws, and power up the phone to make sure both everything is in working order.
Congratulations, you fixed your phone!
As fixes go, this one isn't too tough, but it does take a lot of patience and attention to detail.
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