Be Sure To Click The Save Button To Make Your Settings In Operation; Firmware Upgrade - TP-Link TL-WA730RE User Manual

Enable - Turn on/off Ping Watch Dog.
IP Address - The IP address of the target host where the Ping Watch Dog Utility is sending
ping packets.
Interval - Time internal between two ping packets which are sent out continuously.
Delay - Time delay before first ping packet is sent out when the device is restarted.
Fail Count - Upper limit of the ping packet the device can drop continuously. If this value is
overrun, the device will restart automatically.

Be sure to click the Save button to make your settings in operation.

4.7.4 Firmware Upgrade

Selecting System Tools > Firmware Upgrade allows you to upgrade the latest version of
firmware for the device on the screen shown in Figure 4-26.
New firmware versions are posted at
Firmware Version - Here displays the current firmware version.
Hardware Version - Here displays the current hardware version. The hardware version of the
upgrade file must accord with the current hardware version.
TL-WA730RE 150Mbps Wireless Range Extender User Guide
Figure 4-25 Ping Watch Dog Utility
Figure 4-26 Firmware Upgrade
http://www.tp-link.com
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and can be downloaded for free.