Open a web browser and enter the default IP address: 192.168.1.1 .
Despite being a 3G-era device, the B683's firmware journey highlights a period of intense network transition: HUAWEI B683 Firmware update Archives - 4G LTE Mall huawei b683 firmware
Sometimes, flashing a universal firmware resets the device configuration but changes the default login credentials. Open a web browser and enter the default IP address: 192