Frontend Editing in Joomla 3.4 is not working -

i have enabled:

global configuration –> mouse-over edit icons for: -> module&menus 

global configuration –> articles -> editing layout -> show publishing options -> yes ----- , show article options, enable versions set yes.

i'm logged in in front-end , back-end super user.

in every acl super user frontend editing set allowed.

joomla 3.4

k2 v2.6.9

purity_iii 1.1.2

...........

i still can’t edit in frontend.

how enable frontend editing? articles, k2 items, menus, modules.

what missing?

thanks help.

this functionality depending on template. have ask joomlart if manage function.