out of the box

Short definition from Wiktionary

Prepositional phrase

1. 1
   Immediately, without intervention from the customer.
2. 2
   Outside the box; unconventionally: outside the limits of conventional thinking.
3. 3
   Used other than figuratively or idiomatically: See out of, the, box.
4. 4
   Alternative form of out of the box (especially in attributive use)