You might try turning on the WiFi hotspot on your phone, connect your TV to that hotspot, and then find whether there are any apps which can control your TV over WiFi. Check with the TV' manual first, but I really doubt there are any.
You might try turning on the WiFi hotspot on your phone, connect your TV to that hotspot, and then find whether there are any apps which can control your TV over WiFi. Check with the TV' manual first, but I really doubt there are any.