Nothing has started rolling out new software update for its Nothing Phone 1 globally. The new build, labelled Nothing OS 1.5.4, brings improvements to the face unlock setup and includes power-consumption optimisation. It addresses known bugs and other minor system upgrades. Updating to Nothing OS 1.5.4 will let users share their thoughts on the latest versions through a new Feedback option. Further, the firmware enhances the performance of Bluetooth functions, camera, QR code transactions, fingerprint unlocking, and more.