[Q] Applying VM 816/a5_chl OTA update to rooted phone topic

There has been an OTA update pushed to VM 816s for about a month or so. I know that normally we cannot apply this to rooted devices because of the tampered flag being set off and not running the stock recovery. Is there any way beyond running RUU and getting to complete stock to apply the update? If not, does anyone know how you can extract update from an updated phone?

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