The firmware version of the SBG6400 is located in the Login page and the Web Manager. Troubleshooting Tips If you are having troubles connecting to the internet, first try to reset the modem by unplugging the power cord from the modem and wait 1 to 2 minutes. Refer all servicing to qualified service personnel. the wireless worked fine without any issues for the first few months. Hi - I have a 25Mbps download plan and use this modem that can support download of up to 343Mbps. The ARRIS / Motorola Surfboard SBG6400 Cable Modem & Wi-Fi Router is the latest product available from ARRIS. The SBG6400 does not support manual software upgrades. The SBG6400 is an all-in-one DOCSIS 3.0 Cable Modem, 802.11N Wi-Fi and 2-Port Gigabit Ethernet Router. SBG6400 DOCSIS 3.0 Wireless Gateway The ARRIS SURFboard® SBG6400 Wireless Gateway delivers innovative, ultra-broadband services to subscribers. i purchased a motorola sbg6580 last year. View and Download Arris SURFboard SBG6580 user manual online. ARRIS has been the industry leader in home internet connectivity since day one. View online or download Arris/motorola SURFboard SBG6400 User Manual Approved on Comcast Xfinity, Spectrum (Charter, Time Warner, Brighthouse Networks), Cox, Mediacom, Suddenlink and most other US Cable Internet Providers. Arris/motorola SURFboard SBG6400 Pdf User Manuals. NOT compatible with … power connection before contacting ARRIS. 802.11ax Wi-Fi 6 technology gives you … Page 2 SBG6400. The world's fastest 802.11ax Wi-Fi router. Any firmware or software changes must … ... Gateway Arris SURFboard SBG6400 Quick Start Manual. Equip your home network with the most advanced modem & router available today to enhance your Internet experience! Why be at the mercy of the big cable companies? TROUBLESHOOTING: On the front of your modem, depending on your model, there are 1 or 2 wireless LED symbols. Do you see either of these light up? i thought going with a modem with built in wireless would be the way to go and would eventually pay itself off. - 3385876 Internet not working or slow? Wireless Cable Modem Gateway. Some features may vary depending on the software version the SBG6400 has. Easy to set up and use, the SG6400’s advanced feature set includes DOSIS 3.0 channel bonding in a cost - ARRIS SURFboard SBG6400 8x4 DOCSIS 3.0 Cable Modem / N300 Wi-Fi Router. If the Set Up the Wireless Network on other LEDs do not light up correctly, please call ARRIS Do the following to connect your WPS devices: Your Computer 3. ARRIS may make improvements or changes in the product(s) described in this manual at ... SURFboard® SBG6400 iiWireless Cable Modem Gateway • User Guide 365-095-26377-x.1 ... troubleshooting instructions. In this picture, an MG7550 model (dual band), it shows the 2.4 GHz and 5 GHz LED's: Look at the front of your modem. 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