It's our teardown expert Andrew's turn to sit at the microscope and today he's going to be replacing the USB charge port on a Samsung Galaxy S3. Watch as he creates alloys to make joints easier to solder! Marvel at his abilities to tin pads, and correct his mistakes when he bridges pads. Cheer him on in the hopes that all his efforts won't be in vain! Don't have time to watch the full repair? Check out the highlights! Making an Alloy on Anchor pads https://www.youtube.com/watch?v=jGZKsuaJlpo Removing the Port with Hot Air https://www.youtube.com/watch?v=jGZKsuaJlpo Cleaning with Copper Braid https://www.youtube.com/watch?v=jGZKsuaJlpo Tinning the Pads https://www.youtube.com/watch?v=jGZKsuaJlpo Attaching a New Connector https://www.youtube.com/watch?v=jGZKsuaJlpo Check out Jessa’s YouTube Channel for more Microsoldering videos https://www.youtube.com/channel/UCPjp41qeXe1o_lp1US9TpWA Or Visit her site at http://mendonipadrehab.com/ Subscribe to our channel for all our latest teardown and repair videos! null Follow us on Twitter: https://twitter.com/ifixit Check us out on Facebook: https://www.facebook.com/iFixit