There are several hardware iterations of the LDW931. Installing firmware for the wrong version can "brick" the device. Check the sticker under the SIM cover for the specific model or version number. How to Perform the LDW931 Firmware Update Method 1: The Web Interface (OTA Update) This is the easiest and safest method. Plug the dongle into a power source or PC. Connect to its Wi-Fi network. Open a browser and go to 192.168.0.1 . Log in (default credentials are usually admin / admin ). Navigate to Settings > System > Upgrade .
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