If you want to keep your photos safe when travelling, you don’t need to schlep a notebook or netbook around: an Android device can be used to pull photos from the camera’s storage card and back them up on an external hard disk or upload them to a cloud storage. The easiest solution is to use a USB On-The-Go (OTG) cable to connect an external storage device like a portable hard disk or a high-capacity USB stick and use them for storing backup copies of the photos. However, this approach requires an Android device which supports the USB OTG functionality, and not all smartphones and tables do that. This also means that you have to remember to pack yet another piece of hardware. An alternative solution is to set up a wireless backup system which enables you to seamlessly back up photos on a remote storage device or service using your Android device. Here is how this can be done.