iPhone 3Gs Insert SIM card repair solution manual


This image shows the tracing line paths of the iphone 3Gs sim card pin connector assembly. If one of those tracks is open or cut cause by a wet damaged the iphone 3Gs may result  to insert SIM card problem.
You can apply jumper to those particular location if found cut or open to fix the insert sim card problem on iphone 3Gs.

iPhone 4 Back cover removal procedure

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This guide will show you how to remove the back cover (rear panel) to access components inside your iPhone 4. All you need to have is Phillips #00 Screwdriver to remove the two 3.6 mm Phillips screws next to the dock connector.

But before disassembling your iPhone, always make sure that the silent switch is activated and your iPhone is powered off.

Disassembling iPhone 4 Rear Panel

Guide to replace iPhone 4 glass panel, digitizer, and LCD panel assembly

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This guide will show you how to remove and replace a broken or damaged glass digitizer and LCD panel on iphone 4.
You can use this guide to replace your iPhone's front panel assembly. By replacing the front panel assembly will give you a new front glass panel, digitizer, and LCD.

Installing iPhone 4 Front Panel Assembly

iPhone 4 Rear Camera replacement procedure

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Here's the guide on how to replace a damaged rear camera on iphone 4, this guide will show you a step by step procedure form how to disassemble the iphone 4 to install and replace the rear camera on it.

Installing iPhone 4 Rear Camera

Replacing iPhone 4 Front Facing Camera

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This guide shoes you how to remove and replace the iPhone 4 damaged front camera.
You can use this guide to replace the small VGA front facing camera.


Tools needed

* Paper Clip
* Phillips #00 Screwdriver
* Small Flathead Screwdriver
* Spudger
* Tweezers
* iPod Opening Tools

Installing iPhone 4 Front Facing Camera

Installing iPhone 4 Logic Board Assembly

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You can use this guide to replace your iPhone's brain or main logic board circuit.
Before disassembling your iPhone, be sure the silent switch is activated and your iPhone is powered off.

Tools needed

* Paper Clip
* Phillips #00 Screwdriver
* Small Flathead Screwdriver
* Spudger
* iPod Opening Tools

Installing iPhone 4 Logic Board