It's a sad fact of life that people entering prison often attempt to smuggle cellphones in with them by hiding them, um, internally. And I'm not talking hamster-like cheek pouches. This practise was not begun until well past the 80s (think Motorola brick phone; think "not enough KY in the world"), but even with the latest strides in miniaturisation it's still something of a squeeze to fit the latest handset up when you're going down.

Convicts can say a silent prayer of thanks to the designers of the Xun Chi 138, which at 70 mm long and under 55 grams in weight is a far easier phone to conceal. Sadly they'll have to pass up on a few features most mobiles take for granted - Bluetooth, memory card expansion and a keypad have all been left out. Still, the tick-list is still impressively full, with a 1.3 megapixel camera (that apparently only takes VGA shots), GPRS, mp3 player and - via a touchscreen - handwriting recognition. Although the Xun Chi 138 do not have Bluetooth or IrDA, it can be used as USB thumbdrive to transfer media files between your pc and the phone. 121MB internal memory is available to store your files.

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