Use a device with an operating system that doesn't think it knows better than you what you want.
You're not that unlikely to leave that feature in place if you have such an operating system. What you really want is two controls: one for "safe screenshot", and another for "raw screenshot".
You're not that unlikely to leave that feature in place if you have such an operating system. What you really want is two controls: one for "safe screenshot", and another for "raw screenshot".