TD-8817 ADSL2+ Ethernet/USB Modem Router User Guide
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recent firmware version, unless the version has a new feature that you want to use.
2) When you upgrade the modem router 's firmware, you may lose its current configurations,
so please back up the modem router’s current settings before you upgrade its firmware.
3) Do not turn off the modem router or press the Reset button while the firmware is being
upgraded.
4) The modem router will reboot after the upgrading has been finished.
To back up the modem router’s current settings:
Step 1: Click the ROMFILE SAVE button (shown in Figure 4-48), click Save button in the next
screen (shown in Figure 4-49) to proceed.
Figure 4-49
Step 2: Save the file as the appointed file (shown in Figure 4-50).
TD-8817
Figure 4-50
To restore the modem router’s settings:
Step 1: Click the Browse button to locate the update file for the device, or enter the exact path
in “New Romfile Location” field.