Earlier, people could remap the Bixby button and to use it for other tasks like muting the phone, taking a screenshot, turning on flashlight or launching any app. Even in the app intro for bxActions on Play Store, the developers warn users not to update the assistant on a newer version. “Samsung does not allow remapping with Bixby 2.0 present in Galaxy Note 9. Do not update Bixby or firmware to Bixby 2.0!,” the description reads.