Sony Xperia XZ1 Manual page 22

Results: All user data on the internal memory of your device will be deleted,
o
including downloaded apps, photos, and device settings. Unless you remove the
SD card before you reset your device, user data on the card will in most cases be
deleted.
To reset your device using Android™ Device Manager
If you're using your Xperia™ device in a corporate environment, your IT
department may have enforced encryption on the SD card. In this case, the
content of the SD card is erased or made unreadable when you perform a
reset, even if you remove the card beforehand.
1. Turn off your Xperia™ device and remove the SD card to avoid deleting
2. Turn on the device and make sure that you have an active Wi-Fi or mobile
3. On a computer or in a mobile browser, go to the sign-in page for
4. Sign in to the Google™ account that is registered on your device.
5. Select Erase and follow the on-screen instructions. Remember that this
6. After you remotely erase the content, you can set up your device again

Reset your Xperia™ device with the Software repair feature in the Xperia™ Companion
application.
Requirements: This method requires that you have access to a computer with an
o
active internet connection. You need a USB cable to connect your device to the
computer, and your device must have a minimum charge level of 80%.
Results: All user data on the internal memory of your device will be deleted,
o
including downloaded apps, photos, and device settings. Content on the SD card
will not be deleted.
The screen stays dark after I end a call
Xperia™ XZ1 Dual SIM support overview
When you hold your Xperia™ device to your ear during a conversation, the screen is turned off
to prevent you from unintentionally activating the touchscreen. If you experience that the
screen is not turned back on when you move the device away from your ear, try the following:
user data from the card.
data connection.
Device Manager.
action will delete all user data on the internal memory of your device.
with your Google™ account and a new screen lock.
Android