iPhone 4 No Power Without Charger Problem Repairing Solutions are available in the following article. If iPhone 4 is not turning on without plugging in a charger diagrams further in this post can help you.
If your iPhone 4 No Power without charger problem can occur because of a faulty capacitor which I have marked in the diagram. Just clean this capacitor and the area around it to be sure that rust or carbon is not causing this issue. If cleaning does not work replace this capacitor.
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Here Are iPhone 4 No Power Without Charger Problem Solutions. Please study these diagrams very carefully before you start repairing.
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