As much as today's high-powered Nokia phones are about features, they're also about convenience, and one technology that impresses on both counts is USB On-The-Go (or USB OTG), an innovative technology on a whole range of Nokia phones that generally doesn't get the attention it deserves. Well, we're putting that to rights by listing 10 need-to-kn0w details about this impressive feature. 

It's another way to store your files
Between your Nokia's on-board complement of storage and any microSD card you have plugged in, you shouldn't run out of storage in a hurry. But if you do, USB OTG offers a great way to relieve some of the pressure.

It offers an easy backup solution
And if your existing storage is running low, that means you probably have a lot of files, save games and the like on board your Nokia that you'd hate to lose should something go awry. Fortunately, your Nokia's file manager recognises this, and backing up and restoring files via USB OTG is a simple process.

It doesn't need its own port
Despite USB OTG's massive potential, it doesn't require a dedicated port of its own on your Nokia, and simply hitches onto the existing USB port you use for charging and the like.

It's offered by more Nokia smartphones than you might think
USB OTG might sound like the kind of thing you'd only see on Nokia's high-end phones, and it's certainly present and correct on all the leading Symbian^3 phones. But it also pops up on more affordable handsets such as the Nokia X2 and Nokia C3-01, proving it's by no means an elitist.

There's no storage limit
Provided your external drive is compatible in the first place, there's no limit to how much storage your Nokia will be able to recognise or work with on an external storage drive.

Files can be transferred both ways
Once your external drive is recognised, you can freely transfer files in either direction.

You don't need to switch off
The whole point of being “On The Go” is that you can use USB OTG anytime you like. You don't need to shut down your smartphone, or save anything you're busy with.

File Manager recognises new drives instantly
There's no long-winded process to find and install new hardware. Your Nokia's file manager will treat the drive you've plugged in via USB OTG just like a memory card or its own internal storage, giving you instant access to what's inside.

You'll need an adapter
As we've already mentioned, USB OTG uses your Nokia's existing USB port, but that's not the same type of USB connection used by external storage drives. You'll need to invest in a Nokia CA-157 adapter to make the connection.

It's not just for storage devices
The obvious benefit of USB OTG is hooking up external storage devices, but that's not the limit of its capabilities. You can attach other phones and multimedia devices, for instance, and your Nokia will treat them just like any other external drive.