If you own an iPhone 12 and need to perform a hard reset, follow these steps: 1. Press and quickly release the volume up button. 2. Press and quickly release the volume down button. 3. Press and hold the side button until the Apple logo appears. By following these steps, you can perform a hard reset on your iPhone 12 and potentially resolve any software issues you may be facing. It is important to note that a hard reset will not erase your data, but it is always recommended to back up your iPhone before performing any reset.