Hi Wilcrunk,   These are some of the modem/router that TPG provide. Hope this helps. ;) Huawei HG 659. - Login to gateway page 192.168.1.1 and use 'admin' for username and password. (You will be routed to the home page) - Click on 'Set Up WLAN' - Once you click it, page will show option to create Wireless network name and pre-sharedkey/wifi password. - Once you're done with personalizing Wifi name and password you click on 'Save' and try it. Netcomm NF12 - Login to gateway page 192.168.1.1 and use 'admin' for username and password. - On the left handside click on 'Wireless' - Under 'Wireless' click on 'Security' - Once you click on 'Security' - It will route you to a page where you can see 'WPA/WAPI passphrase' with a text box right beside of it. - You can simply put your desired Wifi password on that box and once it's done click 'Apply/Save' NOTE: You need to forget the network of your devices such as laptop/smartphones etc to re-enter the new password. Additional Info: - You can also change your wireless network name. -  Login to gateway page 192.168.1.1 and use 'admin' for username and password. - On the left handside click on 'Wireless' - Under 'Wireless' click on 'Basic' - Once you click on 'Basic' you will see - 'SSID' with a textbox right beside of it. this is where you can change wireless network name/wifi name - Once you change the Wifi/Wireless network name you can simply click on 'Save/Apply' Netcomm NF7 - Login to gateway page 192.168.1.1 and use 'admin' for username and password. - Once you entered the UN and PW it will ask you - 2 options ( Yes, let's get started with the wizard / No thanks, take me to the Basic Interface ) - Select 'No, thanks...' - It will route you to the page where 3 tabs is available - STATUS / WIRELESS / WAN - Select on 'Wireless' - Once you click it. - It will show you options where to change - 'Wifi network name' and 'Security Key' - Simply input your desired Wifi name and password on the same page and click 'Save and apply the changes' Huawei HG 532d - Login to gateway page 192.168.1.1 and use 'admin' for username and password. - On the left handside click on 'Basic' - Under 'Basic' you will option. WAN, WLAN. - Simply click on 'WLAN' - Once you click on 'WLAN' it will show different information about Wireless/Wifi configuration. - Look for 'WPA pre-shared key' beside of it a textbox with a shaded key (with your current Wifi password is located) - Simply erase the shaded key and replace it with your new desired Wireless password. - Once it's done click on 'Submit' to apply the changes. Additional Information: - On the same page you can also change the wireless network/Wifi name by changing the textbox right beside the 'SSID' Cheers! ... View more