How to remove Socket(s)
Go to Pillai Town and meet the NPC Dos which is responsible for removing sockets.
2) [Remove Sockets]
Left side, put the item with socket only and place the soldering iron(s) at the small space. When you remove the 1st socket, put the soldering iron (1st) at the small space. If you have 2nd socket and want to remove it, put the soldering iron (2nd) at the small space accordingly.
3) [Complete the remove of sockets]
With the soldering iron is consumed, socket will be removed successfully. Important reminder, if you have runestones in your sockets and you want to remove the socket, make sure you remove the runestones before you remove the sockets, otherwise the runestone with socket on will be vanished if you directly use the soldering iron.
4) [Sockets remove materials]