A hard reset is a one-way street. Once the process begins, it is very difficult (and sometimes impossible) to recover lost data. Follow these steps religiously before touching the reset buttons.
This guide applies to BlackBerry Evolve (BBE100-1, BBE100-2) running Android 8.1 Oreo or later. How to Hard Reset BLACKBERRY Evolve
This method uses Android’s built-in to wipe the data partition. This is the true "hard reset" for bricked or locked devices. A hard reset is a one-way street