To open Fastboot Mode on your , you must first power off your device entirely and then hold down the Volume Up and Power buttons simultaneously for a few seconds until the Fastboot menu appears . This protocol, known as Fastboot Mode , grants direct access to the bootloader, allowing developers and advanced users to alter core software components.
Opening Fastboot Mode on the OPPO A54 is not as simple as on a Google Pixel or OnePlus device. How to Open Fastboot Mode on OPPO A54