Need help flashing new OTA updates on rooted OP13 (Global.IN)

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Pretty much title.. I have the Indian global variant "rooted" with KernelSU Next (GKI) and I wanna know the appropriate way of flashing OTA updates without the risk of losing my root or get a bootloop? I have searched a lot trying to take a glimpse of how to do so with no luck, asked this question multiple times and It gets ignored, I believe cause many people here are on Chinese variants and converted to Global ROM, thanks in advance!