I had connection problem with HP Envy 4500 using the printer wireless set up wizard. Tried many unsuccessful attempts. Finally, used the T-Mobile network app on my iphone and selected the 2.4Ghz network. I looked at the configuration and changed the WPA configuration to WPA/WPA2 which is an older security setting and after the T-Mobile Gateway updated, I retried the wifi setup wizard on the printer and it worked.
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