How to Unlock your phone for use on all carriers - 2020 Step by Step Guide. Terminology of code results: Network Control Key = NCK (This is the only code you would need normally) Defreeze = MCK (Unfreeze code) FOR EXAMPLE: (This code is for example purposes, they can not unlock your phone) The Email from us Says- UNLOCK CODE: NETWORK=12345678 PROVIDER=18592938 SUBPROVIDER=91709809 DEFREEZE=06158509 Explanation: Your Unlock Code is 12345678 (Ignore the rest of the codes) Make sure to turn off Wi-Fi under wireless connections for all Android Devices before proceeding to enter the Unlock code. Also make sure the phone is not on Airplane mode.Insert an unauthorized Sim Card into the device (a SIM card from a different company)Power on the deviceEnter the Sim Network Unlock Pin when promptedThe Device should now be unlocked if the phone says UNLOCK SUCCESSFULIf you get "Network Unlock Unsuccessful" message or a similar message this is a known issue that occurs sometimes with some Samsung models.
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