For anyone that's dabbled long enough with Sony's dual-screen tablet
as-is, we've got good news. The device can now be rooted and -- better still -- it's not all that difficult. Pocketables
forum member RayIczr goes over the method, which requires an ADB installer and a Sony Tablet Root program. Add in some allowances for the USB debug mode and unknown program sources and you'll soon arrive at an unrooted Tablet P. More details and due praise can be found at the source below.