I'm pretty sure flashing a non-OEM ROM on my Note 9 would blow an eFuse that permanently marks the thing as having been modified. Certainly, when I unlocked a

I'm pretty sure flashing a non-OEM ROM on my Note 9 would blow an eFuse that permanently marks the thing as having been modified. Certainly, when I unlocked a Sony Xperia XA2 it did something similar where it won't ever get OEM updates ever again.