Default [Q] ROM update help

So recently my phone, Galaxy Victory L300, has received an update, MG5 to ND4. I made a ROM based off MG5. Is there a way to make my ROM based off of ND4 but flash onto MG5 phones without harm? The update changes kernel source, adds some apps, and changes the baseband and a few other things. The only way to do the update is to be on the stock ROM and do it, then flash a ND4 ROM onto it. Thx 😊

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