Fit a Micro-Sim card into a Mini-Sim card slot. For example, use the Micro-Sim card in the iPhone 4, or iPad, in older iPhones which use Mini-Sim cards.This is an Inkscape SVG file. The tested functional use of this file is to open this file in Inkscape and print to FullSpectrum Engineering's RetinaEngrave printer driver.Get a credit card or gift card to cut this out of. If you are using a 40 watt FullSpectrum Engineering laser, set the cut speed to 100%, power to 100% and passes to 2.Hit go.Put the Micro-Sim card into the hole in the middle (it will only fit one way).Just to be safe, put some thin tape on the back (non gold side) to keep the Micro-Sim in the adapter.Put the Mini-Sim card adapter in your phone.