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OSS Client is a program for unlocking mobile phones and modems. It supports a variety of devices from Alcatel, Avvio, BlackBerry, Doro, Gtran, Huawei, Mojo, Motorola, Samsung, Sony Ericsson, etc. After running this program, simply select the device manufacturer and the model number; you can see the various unlock methods. This tool can also repair IMEI numbers and create unlock codes for mobile phones.