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I don't have a device running 5.1.1 at hand, but in order to sort them you should have to drag the left drawer and select own order.
Hi @EddyMurphy75,
I would suggest checking out this link which is the page in the user guide describing this. In order to choose how your apps are listed first make sure that "Own order" is chosen and then simply use the drag-and-drop function to move around your apps.
Do you mean changing where the icons are located? For example, swapping where application A and application B are located?
There is unfortunately no setting for that, the closest thing is to move each individual app-icon. I would suggest looking into third party launchers to see if there is another launcher that might support this feature.