So you want to repair your brand new iPhone? If it is under warranty, it is always better to ask Apple to help you out. ScrewMat can help you open and repair your phone though. It helps you keep track of small screws and parts. More importantly, this illustrated iPhone 5s repair guide serves as a color-coded part placement chart. It is fully magnetic on the printed side.
ScrewMat products are designed for folks who want to repair their smartphones and tablets. These guys also make them for the iPad Air and select Samsung devices, so make sure you pick the right one for your device.