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TD-8817 ADSL2+ Modem Router User Guide
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the router is not experiencing difficulties, there is no need to download a more recent
firmware version, unless the version has a new feature that you want to use.
2) When you upgrade the router's firmware, you may lose its current configurations, so
please back up the router’s current settings before you upgrade its firmware.
3) Do not turn off the router or press the Reset button while the firmware is being upgraded.
4) The router will reboot after the upgrading has been finished.
To back up the Router’s current settings:
Step 1: Click the ROMFILE SAVE button (shown in Figure 4-43), click Save button in the next
screen (shown in Figure 4-44) to proceed.
Figure 4-44
Step 2: Save the file as the appointed file (shown in Figure 4-45).
TD-8817
Figure 4-45