When working on repairs, you almost always need to undo the previous work. It’s the only way to get to the root of the product to try and bring it back to near new condition. One thing that often needs to be undone for a project is to unsolder the previous solder to get to the parts underneath it. This is necessary for a variety of different repairs, such as with electronic care and modifications. With a wide variety of products in the world, there are a vast variety of methods to make corrections. To unsolder your project, one method includes the use of a soldering iron.