How to resolve the jammed push button in push button door knob?

Qusetions: i attempted repairing it that has a important but almost nothing took place . the push button is inside lock state . i'm not ready to deliver it towards the unlock state.

Answers:Spray WD-40 approximately the button then attempt the important approach once again.
If one other facet from the doorknob has slightly hole, stick an ice choose in to trip the push button.