Hai, Unlocking is the process of releasing your network lock. So only you can able to use all network in your mobile. If your mobile accepts all networks means your mobile is already unlocked. Some mobiles are locked by the network provider. Unlocking will be used to remove that network provider lock.This type of unlocking can be done through codes. This mobile unlocking code provided by network providers or online venders like Theunlockspot.com .