I3TOUCH EX Remove pin code from lock screen and settings

If your display firmware is version 3.0.18 or higher, to our regret, you must do a manual reinstallation of your firmware to remove the pin code.
The firmware can be found at the URL below
https://i3group.atlassian.net/servicedesk/customer/kb/view/839876853

\uD83D\uDCD8 Instructions

1. If your display has a locked screen like this

   

2. You can delete that password by using the remote and press “input → 0 → 2 → 1 → 4”