How to factory reset SONY Xperia XZ4? How to wipe all data in SONY Xperia XZ4? How to bypass screen lock in SONY Xperia XZ4? How to restore defaults in SONY Xperia XZ4?
The following tutorial shows all method of master reset SONY Xperia XZ4. Check out how to accomplish hard reset by hardware keys and Android 9.0 Pie settings. As a result your SONY Xperia XZ4 will be as new and your Qualcomm Snapdragon 855 core will run faster.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.