Why do we need firmware updates? What does a firmware update do? October 27, 2022 07:32 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 What can I do with the Nothing X app? What is Clear Voice (ENC)? Is Ear (1) water resistant? How do I pair with a new device? What do I do if the software can't update?