Canon TR8520 printer uses wpa/wpa2-psk encryption. Won't connect to Tmobile white gateway.
Best answer by nc1037
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You need to add a second Wi-Fi network using the T-Mobile Internet app. Set it to 2.4 GHz and WPA/WPA2 security. Use this network only for your printer, and any other devices that won’t connect to the default network. The default network is more secure, and should be faster for your newer devices.
INSTRUCTIONS
You can have several Wi-Fi networks on the gateway. You want to leave the default network alone (2.4 & 5 GHz; WPA2/WPA3 security) and add a second, dedicated 2.4 GHz network.
Add the second network with the + sign at the bottom of the Network tab in the T-Mobile Internet app on your phone. For this new network, set the band to 2.4 GHz and set the WPA version to WPA/WPA2. Try connecting your device to this second network. Use the default network for your other devices, as much as possible. Note that WPA/WPA2 (on the second network) is less secure, so I recommend setting this network to be Hidden.
Here are the T-Mobile support instructions for how to add the second network with the app.
Android How to create additional Wi-Fi networks | T-Mobile Internet app | Android | T-Mobile Support
iOS How to create additional Wi-Fi networks | T-Mobile Internet app | iOS | T-Mobile Support
Main instructions
Help Center | APP Android | T-Mobile Support
Help Center | APP iOS | T-Mobile Support
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