Four LG 24LF4520 owners said in their reviews that the LG 24LF4520 was good in terms of HDMI connections. Amazon Customer scored it very highly and mentioned in their LG 24LF4520 review on Amazon “Its alright, only 1 HDMI port”. Griffdiggitydog said on Amazon last year “It's pitiful that the TV only has one HDMI port, though”. Robert J. Hayden mentioned in October last year “I love all the ports it has HDMI, RGB PC, Component/Composite, USB” .
One LG 24LF4520 reviewer mentioned in their reviews that it was good in terms of USB connections. Rgbcmyker mentioned on Amazon “4) When I plugged a Roku or Amazon first-stick power cord into the units USB everything worked fine”.
One customer reckoned that the LG 24LF4520 was wifi compatible. Photographics scored the product 5 stars and wrote “It is easy to find 32” models that are “smart”, including built-in WiFi, for about the same price”.