In android; there is also a ‘lockdown’ mode you can quickly activate from the power off screen, that disables Biometrics until next unlock with a pin/pattern
On iOS, with a locked device, quickly press the lock button five times to do the same, it should bring up the power off/SOS screen, which you can dismiss.
On iOS, with a locked device, quickly press the lock button five times to do the same, it should bring up the power off/SOS screen, which you can dismiss.