Equip your phone with an additional USB port.
USB 2.0 adapter cable, OTG, type mini B - A, M/F, 0.2m, USB 2.0 conform, UL, bl, goldn
Direct data exchange between 2 devices without PC. Thus you also add an USB connection to your digital camera, for example. The connected devices must be OTG (On-The-Go) compatible.