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: If you need to use the router with a different carrier, you can often unlock it by entering a SIMLOCK code at the management page ( http://192.168.1.1 ) after inserting a non-supported SIM card.
Finding the correct firmware for the 3G router depends on whether you are looking for an official update or a custom/unlocked version. Because this is an older device, official support pages can sometimes be difficult to navigate. 1. Official Firmware Updates huawei b660 firmware
. This meant the original firmware was often "branded" or "locked," limiting the device to a specific carrier's network. Carrier Branding and Restrictions : If you need to use the router