This article will guide you on how to key lock your LG KU250. When I subscribed for a post paid mobile line, they gave me an LG KU250 mobile phone. I looked everywhere on the manual for the key lock shortcut but its not there. The manner they explain to key lock the LG KU250 is to go to Setting>Phone>Auto Key Lock>Delay Time
But there is a faster way just press and hold the “C” button until it locks itself.
