Trigger carrier unlock dialog via adb or OS?

I was able to install e on my Samsung galaxy S7 but forgot to carrier unlock it before and now the SIM I want to use is not recognized. I did get the dialog to enter the unlock code only once and entered the wrong code. I never saw the dialog again no matter what I do . I did obtain the correct code but do not have any way to enter it. I was also able to compile the e OS so could trigger a way to bring up the dialog if I knew where to look in the code . Any help in entering this code either via adb, or a OS function call, etc. Thanks

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