Enable developer mode on LG WebOS tv
With webOS 2 only some specific TVs where enable to debug and run apps on 22 January 2016 WebOS 3.0 released.
Now you can create an account and then install from LG Content Store the developer mode then when you connect your IDE or Cli the tv will give you the passphrase.
Detailed guide: http://webostv.developer.lge.com/develop/app-test/
If you are connected with same network you can do remote deployment from webOS TV IDE. First you need to create a developer account from https://webostv.developer.lge.com/login
Then install Developer mode app from LG Content Store
- On remote press Home button
- Go to LG Content Store
- Search 'Developer mode' on LG Content Store
- Install 'Developer mode' app
After installation you can use LG account for login purpose from Developer mod application you can enable Developer mode and find passphrase