Fourth generation iPhone. Repair is straightforward, but the front glass and LCD must be replaced as a unit. GSM / 8, 16, or 32 GB capacity / Model A1332 / Black and White.

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Antenna Loss After Screen Change

I don't understand what I am doing wrong. I followed the guide to replace the screen on 2 phones, and both phones have signal loss.

I didn't wear gloves (I will next time). I cleaned out all the connectors with Windex and changed all the screws. My device seems to be put back together properly.

Did someone have a similar problem and then find a solution? I would really like to see my bars go back up again. I can't be the only one with this problem.

Please help

Answered! View the answer I have this problem too

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Thank you for your response Nicksmacan.

Which connector are you talking about? I am pretty sure I connected everything properly. I have done a lot of work on older Iphone 3G, 3GS..... but I can't shake this one problem with the iPhone 4.

Could you please explain further. Which connector is not connected right.? The antenna by the speaker? It seems pretty solid to me.



I need your help. I am still dealing with this issue. I think you're right about the connector not being seated right.

When you refer to the connector, are you talking about the steel plate that goes on top of all of the connections up top? If so, I noticed sometimes when you press in the middle, like I think you said it snaps right in. On my current phone, it won't snap right on. I look at it, and it doesn't appear to be damaged, but it won't snap in. Every time I try to push it down, it comes up a bit and no snap. I secure it firmly with the screws, but I get antenna loss.

Is there a secret to putting it in? Please help.. I am struggling with this and I want to solve this issue.


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The connector was not seated right, very common issue sadly

The trick is press all the cables from the middle into the connector and that virtually keeps this from happening


I would clean the contacts inside the phone, oils mess up the signal sometimes, otherwise, it may be the antenna

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During assembling the phone have you properly put the network cable on the logic board jack? see in the picture in step 11

iPhone 4 Logic Board Replacement

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I did put the cable properly, it's attached perfectly. I get a signal, it's just about 2 bars less than normal. I can't figure it out.


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Charles will be eternally grateful.
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