If there's any regret about iPhone and iPod Touch compared to Apple's other products, the inability to function as a mobile storage device probably ranks first. Data transfer between the iPod Touch and external devices must go through Apple iTunes, and the stored data has already been converted into a special format that cannot be exported for reuse. Using SH/SCP or even iBrickr is very troublesome, and large files are almost impossible to handle. How can you use your iPod Touch/iPhone as a mobile hard drive? With just two simple software programs, it can be achieved. This article will provide a detailed explanation of the method.