unlock

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References in periodicals archive ?
Protection of handsets with SIM lock and device management capabilities that render phones useless to thieves if stolen;
Softbank to follow Docomo in removing SIM locks but iPhone excluded
said Friday it will enable users of all its mobile phone models to be marketed from April to release carrier-specific locks, called SIM locks, for a fee of 3,150 yen.
Softbank Mobile applies carrier-specific locks, called SIM locks, to the phones, making them incompatible with other carriers.