Your Sony Xperia XZ3 may not respond to any input, such as the display or buttons on the side of the case.
If this condition also affects your Sony Xperia XZ3, then one of the following workarounds will help:
Tip 1: Perform Soft Reset
Sony Xperia XZ3 To do this, press and hold the following on/off button for about 10 seconds until the device vibrates. Release the button.
After about 10 seconds, the device should vibrate and restart. If this is not successful, Sony has integrated a special button into its smartphones.
Use it as follows:
Tip 2: Reset using special button - Power off button
Open the cover of the Sim Card slot. You will see a small button that can be operated by means of a pointed object. For example, press and hold this button with the tip of a pencil or similar object.
Release the power button after your Sony Xperia XZ3 has briefly vibrated several times. The phone will then turn off automatically.
Tip 3: Carry out "2 minutes reset" on the Sony Xepria XZ3
Open the SIM card cover again if not still open. Press and hold the power-off button with the tip of an object for at least 2 minutes and then release the button.
Ignore all vibrations from tip 2!
The Sony Xperia XZ3 should then be connected to a charger and charged.