Firmware upgrades for Arris modem are available at arris.com, but only cable operators can ingress them. The new software fixes bugs that were reported with the old firmware and can also provide improvements in speed. Once your Internet Service Provider has obtained an update, it will be impelled to your hardware when the device is not in operation.
I am not sure that Arris modem firmware update will work but you might try:
Step 1: Call your service provider from a different phone line than the one your modem is connected to, and ask if there is an Arris modem firmware update available.
Step 2: Ask them to push the update to your Arris modem.
Step 3: The next step would be disconnecting the cable from the Arris modem.
Step 4: You will notice a small button on the back of modem "factory reset".Press it.
Step 5: Now power off modem and power on without connecting cable.
Step 6: If you are done with the previous step , try to log into modem at 192.168.0.1.
Step 7: Wait for the modem to restart by itself and the update is complete.
Arris Firmware updates are provided by your manufacturer to fix minor glitches and boost your device. You can update the firmware on your Arris router by following these simple steps.
Step 1: Open your web browser and navigate to the official website of Arris router.
Step 2: On the main page, click on 'More', you will be redirected to a new window. Here you will find separate options for different support for your machine.
Step 3: Click on 'Driver & Firmware Update' > 'Routers'. You will have different router models listed in front of you. Select the model number of your device from the list.
Step 4: All the latest Arris firmware and Drivers will get listed, select the latest firmware update you want to install for your Arris router, and download it.
Step 5: Install the downloaded Arris firmware on your computer and then reboot the router and computer. The device will implement the new updates. You have successfully updated Arris router firmware now.
Use a Third-Party Application:
Sometimes your service provider may not provide you with a notification of the available updates. So chances are you might miss these firmware or driver updates from time to time.
So for these reasons we recommend the users to use a third-party application. There are many such applications that automatically update all the devices connected to your PC.