07-09-2018 01:32 AM - edited 07-09-2018 01:33 AM
Contracts don't just end. It's just that the min. term is up. Thereafter the contract just continues at the same price on a rolling month's notice basis. You may then cancel the contract giving 30 days notice.
If you want your phone unlocked you may apply for it anytime after it is 6 months old.