It is provided a method for managing administration privileges of an electronic lock. The method is performed in the electronic lock and comprises the steps of: receiving a first signal from a first mobile device, the first signal comprising a first code entered by a user to the first mobile device, and an identifier of the first mobile device; determining that the first mobile device has administration privileges to the electronic lock; storing the first code in memory of the electronic lock; receiving a second signal from a second mobile device, the second signal comprising a second code entered by a user to the second mobile device, and an identifier of the second mobile device; and granting administration privileges to the lock for the second mobile device only when the second code matches the first code.