Simlock. ll unlock in the Samsung phones can use code (prepaid or contract phones are unlocked): C120, C126, C128, C130, C200, C200C, C200N, C200, C207, C207L, C208, C210, C210s, C216, C218, C225, C230, C230C, C230S, C238, D300, D357, D407, D410, D410C, D415, D418, D428. . .