What do firmware updates do? November 04, 2022 03:42 Updated Firmware updates are used to add new features to the NOTHING X app, to improve the performance of your Nothing product, and occasionally to fix bugs. Related articles How do I upgrade the firmware of Ear (stick) on my Phone (1)? What can I do on the NOTHING X app? Do I need the NOTHING X app for the earbuds to function? Is Ear (stick) water resistant? How to download the latest firmware?