P200 200Mbps PowerLine Mini Adapter   
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Upgrade: Click it to update your device firmware. Please go to 
www.tendacn.com or www.tenda.cn to download the latest firmware. The 
firmware file for upgrade must have “.ggl” in its file name suffix. 
To upgrade your firmware, do as follows: 
1.  Select the adapter that is directly connected to the PC you are currently 
on and then click “Upgrade” under the “Tools” tab. 
 
 
 
2. Select a proper firmware and click “Open”. 
 
 
 
3. Click “OK” to upgrade firmware.