Read the full compatibility list here.īefore connecting the modem to your RPi, be sure to use a power supply rated at least 1A, better 1.2A or more.
Hardware requirementsĬhan_dongle is able to work with many different USB modems from Huawei, such as K3715, E169 / K3520, E155X, E175X, K3765 and others. Try unplugging the dongle from your Chromebook, then plugging it back in.A highly affordable GSM VoIP gateway can be obtained using Huawei E155X or compatible USB modems and chan_dongle, providing both inbound and outbound calls on GSM/3G networks.Try turning your Chromebook off, then on again.
If you're having trouble connecting to a mobile network using a dongle:
Now follow the steps above, depending on the type of dongle you’re using. In the "Network" section, select Mobile data. Also, people using your Chromebook as a guest can't connect to roaming networks. Note: For some dongles, you might need to provide the access point name (APN). To connect to a roaming network, first follow these steps, then follow the steps above. Select the mobile network you'd like to connect to. If it is, wait a few more seconds and try the command again. Note: If the above command returns a “No cellular service exists” error, check if your dongle is connected properly. Run the following command: set_cellular_ppp -u -p, replacing and with the PPP auth credentials. On your keyboard, press Ctrl + Alt + t to open the crosh terminal in your browser. Insert the dongle into one of the USB ports. If you haven't yet, sign in to your Chromebook. You’ll need to sign in to your Chromebook to enter the credentials and connect to the network. 
Some dongles require you to provide PPP credentials before you can connect to the mobile network.
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