The 9Now app is available on the following models:
2015 | 2016 | 2017 |
W800C | X7000D | X7000E |
W850C | X7500D | X8000E |
X8300C | X8000D | X8500E |
X8500C | X8500D | X9000E |
X9000C | X9300D | X9300E |
X9100C | X9400D | X9400E |
X9300C | Z9D | |
X9400C |
If you don't know your what your model is, you can find it on the back of your TV: