| Answer | Firmware is programming software that is written into the device to function. Â In some cases there may a need to update or enhance the product features. Â An update of the firmware may be beneficial to keep the product up to date. Â Before upgrading the firmware verify the current firmware in the SBR-AC1750. Â This document contains the following sections:
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- Launch a web browser, such as Internet Explorer, Firefox, or Safari.  Enter http://192.168.0.1 into the address box and press the Enter key.  The Login page appears.
NOTE: By default the LAN IP address is 192.168.0.1. Â If the default address has been changed, enter the custom address in the address box.
 - On the Login page, enter password in the Password field.
- Click the Login button.  The Home page appears.
 - Move the mouse-cursor over the Utilities tab and select the System Information sub-link.  The Utilities - System Information page appears. Â
- Verify the current firmware version as shown in the green box.
NOTE: Refer to the Download Firmware section to determine the firmware shown in the unit is up to date.
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Download the Latest Firmware
- Launch a web browser, such as Internet Explorer, Firefox, or Safari. Enter http://www.SURFboard.com/Support/SBR-AC1750 into the address box and press the Enter Key.  The SBR-AC1750 page appears.
-  On the SBR-AC1750 page, click on the Drivers and Firmware tab.
NOTE: If the current firmware in the SBR-AC1750 matches the latest one on the site, the unit is up to date.
 - Click the Download link under the Firmware Version.Â
- Click the Save drop-drop button on File Download dialog box and select Save as.
- On the Save As window, select the Desktop in the pull-down menu.
- Leave the File name at default SBRAC1750-1.0.10.
- Leave the Save as type at default.
- Click the Save button.
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- Launch a web browser, such as Internet Explorer, Firefox, or Safari. Â Enter http://192.168.0.1 into the address box and press the Enter key. Â The Login page appears.
NOTE: By default the LAN IP address is 192.168.0.1. Â If the default address has been changed, enter the custom address in the address box.
 - On the Login page, enter password in the Password field.
- Click the Login button. Â The Home page appears.
 - Move the mouse-cursor over the Utilities tab and select the Firmware Upgrade sub-link.  The Utilities - Firmware Upgrade page appears.
- On the Utilities - Firmware Upgrade page, click the Browse button.  The Choose File to Upload box appears.Â
 - On the Choose File to Upload box:
a.  Click on Desktop to select the firmware file SBRAC1750-1.0.9.
b. Â Click the Open button. Â The Utilities - Firmware Upgrade page appears.
 - On the Utilities - Firmware Upgrade page, click the Upgrade button.  The Confirmation pop-up window appears.
 - On the Confirmation pop-up window, click the OK button to continue with the firmware upgrade.  The Alert window appears.
 - On the Alert window, click the OK button to continue the firmware upgrade.
CAUTION: The router may be unresponsive to commands for 180 seconds. Â Please do not turn off or reboot the router during this time.Â
 - The router will begin updating the firmware.  Please allow up to five mins for the router to update the firmware.
WARNING: Do not interrupt or unplug the router, doing so could render the router inoperable.Â
 - Once the router completes the firmware upgrade the Login page appears.
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