A: It depends on how it was bricked. If the phone can still enter Fastboot mode, there is a very high chance you can save it using the MSM Download Tool (unbricking tool).
This method is "better" if your physical buttons are faulty or if you are already connected to a PC for development work. : Go to Settings > About Phone . Tap Build Number seven times to unlock Developer Options . how to open fastboot mode on oppo a37 better
: Simultaneously press and hold the Power and Volume Down buttons. A: It depends on how it was bricked