From Tourist Visa to residency visa through E-channel


I am trying my luck as I need some help. I have a residency visa from Sharjah.
I live in Abu dhabi and got some issue to get Tawtheeq. It took so long (plane tickets already booked for wife and kids) that I wasnt able to request an entry permit.
I know the process through Entry permit -> Emirates ID request -> Residency visa and medical test + fingerprints.

but how does it work (and in which order) when family entered through a visit visa. I read no need to exit to change status but didnt find how to do it. And especially through echannel.

Anyone faced the same issue?
Best Regards,

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