How do I change the WiFi network name and password on the TP-Link VX420-G2v?
Connect to the modem via WiFi or Ethernet, go to http://192.168.1.1, log in with the modem password (default: admin), and click Wireless on the menu. Enter your new Network Name (SSID) and Password, then click Save and reconnect your devices using the new credentials. (Page 3-4)
From the official TP Link Vx420 G2v manual, page 3
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