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TP-LINK TD-8817 User Manual

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TD-8817 
ADSL2+ Ethernet/USB Modem Router User Guide 
 
55 
 
Figure 4-47 
4.6.3  Firmware 
Choose “Maintenance→Firmware”, you can upgrade the firmware of the modem router in the 
screen (shown in Figure 4-48). Make sure the firmware or romfile you want to use is on the local 
hard drive of the computer. Click Browse to find the local hard drive and locate the firmware or 
romfile to be used for upgrade. 
 
Figure 4-48 
To upgrade the modem router's firmware, follow these instructions below: 
Step 1:  Download a more recent firmware upgrade file from the TP-LINK website 
Step 2:  Type the path and file name of the update file into the “New Firmware Location” field. Or 
click the Browse button to locate the update file. 
Step 3:  Click the UPGRADE button. 
 
Note: 
1)  New firmware versions are posted at 
 and can be downloaded for free. If 
the modem router is not experiencing difficulties, there is no need to download a more