topic I can not use the screen lock in M Series https://community.sony.at/t5/m-series/i-can-not-use-the-screen-lock/m-p/3585169#M19757 moved to a thread with a solution Sun, 12 Nov 2017 13:22:33 GMT Jonas 2017-11-12T13:22:33Z I can not use the screen lock https://community.sony.at/t5/m-series/i-can-not-use-the-screen-lock/m-p/3585169#M19757 moved to a thread with a solution Sun, 12 Nov 2017 13:22:33 GMT https://community.sony.at/t5/m-series/i-can-not-use-the-screen-lock/m-p/3585169#M19757 Jonas 2017-11-12T13:22:33Z