SAMSUNG USA - ALL LEVEL LOCKS is a service that allows users to unlock their Samsung phones from any network carrier in the USA. The service provides all levels of unlock codes, such as network, defreeze, provider, and subprovider codes, that can be used to remove the SIM lock from the phone. The service is express, which means that the codes are delivered within a few minutes or hours after the payment is confirmed. The service is compatible with most Samsung models, such as Galaxy S, Note, A, J, M, Z, and others. The service requires the user to provide the IMEI number of the phone, which can be obtained by dialing *#06# on the phone. The service also requires the user to select the original network carrier of the phone, such as AT&T, T-Mobile, Verizon, Sprint, etc. The service charges a fee depending on the model and network of the phone.