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.
If your phone is frozen or locked by a pattern/PIN, use this manual method: the device.
Once the LED light changes to or the phone vibrates, release the buttons.