I got Nexgo N3 Smart POS terminal, it is Android v5.1.1

When I tap on build number I don't get developer options, but changemodel ("You are X steps away from being changemodel") and then it leads me to this screen:

enter image description here

What does this mean and how to override it? I just need to enable USB debugging.

migrated from superuser.com Jul 20 '18 at 9:03

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  • Have you asked Nexgo? Android 5.1.1 is old... 2 years almost to the day... possibly even "too old for safe use on a POS terminal" – Attie Jul 20 '18 at 8:24

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