To simplify this process for legacy devices, a dedicated on the sliding QWERTY keyboard could be introduced. Holding a specific key (like 'P' or 'End') while sliding the keyboard open during boot could trigger an immediate data wipe, bypassing complex recovery menus for users with forgotten patterns.

Select and then "reboot system now" once finished. Feature Idea: "Quick-Key Cleanse"

A hard reset will permanently delete all internal data. Ensure you have backed up any important files before proceeding. Hard Reset SONY ERICSSON Xperia Pro MK16i

You can perform a hard reset on a Sony Ericsson Xperia Pro (MK16i) using either the software settings or a hardware key combination if the device is locked.

If your phone is frozen or locked by a pattern/PIN, use this manual method: the device.