If your display firmware is version 1.4.2 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/946962441
\uD83D\uDCD8 Instructions
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If your display has a locked screen like this
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You can delete that password by using the remote and press “input → 0 → 2 → 1 → 4”
