Before using software, many keypad phones can be reset using "Master Codes" entered directly into the dialer. For many SPD/China-brand phones, try: *#66*# (Factory Mode) *#0000# or 1234 (Default passwords)
I understand you're looking for information on a tool related to unlocking or interacting with a specific type of keypad, possibly for a device or a system that uses an SPD (Spread Pad) keypad. However, without more specific details about the context, device, or software you're referring to, it's challenging to provide a precise answer or a direct link to such a tool. spd keypad unlock tool link