How to repair buttons Panasonic KX-TC1401 ButtonWorx

https://buttonworx.com/9-panasonic How to video : Disassemble and repair bad buttons in older Panasonic cordless phones. KX-TC1400, KX-TC1401, KX-TC1450, KX-TC1451, KX-TC1457, KX-TC1500, KX-TC1501, KX-TC1700, KX-TC1701, KX-TC1710, KX-TC1711, KX-TC1720, KX-TC1721, KX-TC1730, KX-TC1731, KX-TC1740, KX-TC1741, KX-TC1743 Please note: Any letters after the 4 numbers in the part number are only color or country codes and can be ignored for parts. For example the B in KX-TC1500B is just a code for BLACK.