: Directly flash system partitions, recovery images (like TWRP ), or boot images.
: Go to Settings > About Phone and tap Build Number 7 times to enable Developer Options . how+to+open+fastboot+mode+on+oppo+a74+best
: Your device will automatically restart into Fastboot Mode. Why Use Fastboot Mode? : Directly flash system partitions, recovery images (like
If you entered this mode by mistake, simply hold the for about 10–15 seconds until the device vibrates and restarts normally to the Android OS. Fastboot Mode OPPO A74 - HardReset.info : Directly flash system partitions