If you've got an iPhone 4S and you're experiencing issues with reception, the cellular antenna may be the culprit. If you no longer have AppleCare or insurance to cover it, a DIY repair isn't terribly hard to perform as long as you've got a little technical how know. Symptoms of a bad cellular antenna can vary from no service to service cutting in and out consistently.
If you're experiencing any of these symptoms, continue on and we'll walk you through how to replace it yourself.
Disclaimer: As with any repair, neither iMore nor The Pod Drop can be held responsible for any damage you may do to your device. It?s also worth considering that opening up your device to perform any repair or modification can and will void your Apple warranty. If you don?t feel comfortable opening your device, don?t. Use extreme care and caution when performing a repair on any device.
Before you proceed
If you're experiencing audio issues, the culprit is most likely not the antenna but rather the earpiece. This can include garbled audio, unpleasant tones, or not being able to hear at all. If that's the case, try replacing the earpiece speaker.
What you'll need to DIY replace an iPhone 4S cellular antenna
The Pod Drop recommends using only quality and genuine parts from a reputable supplier like eTech Parts. They have quality parts, tools, and much more for all your repair needs. You will find links to the specific parts you'll need for this repair in the list below.
- iPhone 4S (any variant)
- Replacement cellular antenna - Link to part
- #00 Phillips screwdriver - Link to part
- Security screwdriver - Link to part
- Spudger tool - Link to part
Power off your iPhone 4S
Before performing any repair you should always power off your device before opening it up.
Remove the back plate
- Using your security screwdriver, remove the 2 screws on either side of the dock connector port.
- Set them aside. They are both the exact same size and length so it does not matter if you mix them up. They are interchangeable.
- Gently slide up the back plate by applying a bit of pressure along the bottom with your thumbs and sliding upwards.
- Now lift off the back plate and set it aside.
Remove the battery and grounding clip
- Using your #00 Phillips screwdriver, remove the two screws holding the battery in place.
- These screws are different lengths so make sure you remember which one goes where. The one that is slightly larger is the bottom screw.
- There is a tiny grounding clip underneath the battery clip where the first screw is located. Use your spudger tool or finger to remove it before prying the clip up. Many times it can go flying if you don't remove it first and then you'll have difficulty locating it so it's best to remove it first.
- Now use your spudger tool and at the bottom of the battery clip, gently pry upwards so the clip pops up.
- Move to the edge of the iPhone where the volume buttons are located and use your spudger tool to carefully pry up the battery. It is stuck down with a good amount of adhesive so be careful when prying upwards that you don't bend the battery. This is why I do not use the plastic tab that is provided. It typically rips or bends the battery. If one part is resistant move your pry tool a little further down and gently start prying it up in different places taking care not to come too close to the volume button cables towards the top.
- Once you've gotten the battery pulled out of the iPhone 4S we can move on to inserting the replacement battery.
Pry up the dock connector cable
- Using your #00 Phillips screwdriver remove the shield that is covering the dock connector cable towards the middle left of the iPhone. Remember which screw came from where as they are different sizes. Gently lift the shield out of the iPhone and set it aside.
- Take your spudger tool and gently pry up the dock connector cable and peel it back as shown below. Perform this step with caution as there is adhesive on the underside of the cable. Take care not to rip the cable by pulling up to quickly.
- Leave the cable in this position and move on to the next section.
Pry up the cellular antenna connector
- Using your spudger toolcarefully pry up the round connection for the cellular antenna. It should come up easily so pry up gently.
- You'll notice that it is wrapped around a metal clip. Gently unwrap it so it's sticking upwards and leave it in this position.
Remove the 2 screws on either side of the loud speaker
There are 2 screws holding the speaker assembly in place. We will need to remove these.
- Using your #00 Phillips screwdriver unscrew the 2 screws on either side of the speaker enclosure as shown. The 2 screws are the exact same size.
- Where you removed the screw on the left side you'll notice a small black triangular spacer. Be sure not to lose this and set it aside for reassembly.
- Carefully remove the speaker assembly from the iPhone 4S by lifting upwards.
Remove the old cellular antenna
The cellular antenna is attached to the loud speaker assemble which means we'll need to remove the old antenna and install the new one.
- Remove the two screws that hold the cellular antenna to the speaker assembly using your #00 Phillips screwdriver.
- The cellular antenna is now only held on with adhesive. Carefully use your spudger or pry tool in order to finish removing the cellular antenna from the speaker enclosure.
- Now we will place the cellular antenna onto the new assembly.
Replace the cellular antenna
- Carefully align the cellular antenna onto the new assembly the exact same way it was on the old one.
- Follow the grooves in the edges to know where to position the edges.
- Replace the 2 screws that you removed from the Wi-Fi antenna into the new assembly.
Replace the speaker assembly
- Carefully place the speaker assembly back into the iPhone 4S. Pay close attention to the 4 teeth that run along the bottom front of the speaker assembly.
- Make sure all 4 teeth are snug underneath the frame of where the speaker assembly sits. You can tell if they are pushed up or in position fairly easily. If they are pushed up, use your spudger tool to gently push them down underneath the frame.
- Place the black triangular spacer into place where the left screw will be replaced before screwing back in any screws.
- Replace the 2 screws on either side of the speaker assembly using your #00 Phillips screwdriver.
Replace the dock connector cable
- Carefully push back down the dock connector cable with your finger and run over the cable's length to make sure the adhesive is pushed back down.
- Now replace the shield that covers the cable and the 2 screws on either side.
Replace the battery and grounding clip
- Pay attention to how the cable is bent on your old battery and if the new one is not crimped in the same fashion put the folds in it before inserting it into the iPhone 4S.
- Line up the grounding clip you removed previously over the screw hole before snapping down the battery.
- Snap down the battery in place to the logic board and then position the battery and press down firmly to make sure the adhesive sticks.
- Replace the two screws you removed in a prior step starting with the top one using your #00 Phillips screwdriver. Make sure the grounding clip stays positioned. Use your other hand to hold it straight while you replace the top screw if you need to.
- Now replace the bottom screw.
Replace the back plate
- To replace the back plate line up the hinges around the edges. It should fall right into place. There will be a gap at the bottom.
- Using slight pressure slide the cover down into place with your thumbs. If there is resistance make sure the hinges are lined up correctly and don't force it down and you can easily snap the hinge if it's caught up on something.
- Once the back cover is securely in place and flush with the antenna band, replace the two screws on either side of the dock connector using your security screwdriver.
And... done!
Once you've got your iPhone 4S completely reassembled you can go ahead and power it on again. If all went well you should see your iPhone 4S register on the cellular network. Place a test call and make sure that service is restored to normal. Another good way to check is compare bars with another iPhone to make sure the bars look similar to each other. If they do, success!
Want to know how to perform another type of iPhone repair or modification? Send me suggestions to ally@imore.com.
For questions or to inquire about mail-in repairs through The Pod Drop, you can follow us on Twitter, like us on Facebook or e-mail us directly!
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Source: http://feedproxy.google.com/~r/TheIphoneBlog/~3/GB-6jfiLxnI/story01.htm
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