fastboot reboot recovery
Using recovery.img from crDroid is the way to keep your crDroid ROM updated. While it lacks the bells and whistles of TWRP, its focused design ensures updates apply cleanly without encryption or slot mismatches.
Large update or slow storage.
Many modern devices (Pixel, OnePlus 8/9, etc.) use A/B partition slots. crDroid Recovery handles this automatically:
Check: Settings → About phone → crDroid version. Should match the new build.