iPhone 4 Touch Screen Not Working Problem Repairing Solutions are available in the following article. iPhone 4 Touch Screen Problem Solution information can be found in the diagrams further in this post.
In iPhone 4 Touch Screen Not Working problem can occur because of the faulty Touch Screen Sensor or it’s bad connection to the Cell Phone’s Motherboard. Before doing any hardware solution you should clean iPhone 4 Touch Screen IC Ways which is marked in the diagrams and Motherboard of the Mobile Phone. If cleaning does not work then you can replace the Touch Screen Sensor.
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Here Are iPhone 4 Touch Screen Not Working Problem Solutions. Please study these diagrams very carefully before you start repairing.
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Note: Every repairing solution posted here is tested by at least one member of our team. Use the information available here at Your Own Risk. We are not responsible if any harm comes to your device during the repairing process.