Operation Manual

If your device fails to power on or you want to reset your device’s software, you can
use PC Companion or Bridge for Mac to repair your device. For more information on
using PC Companion or Bridge for Mac, see Computer tools .
Your device may fail to restart if the battery level is low. Connect your device to a charger and
try restarting again.
If you are using a device with multiple users, you may need to log in as the owner, that is, the
primary user, to reset your device to its original factory settings.
To force your device to restart
1
Press and hold down the power key .
2
In the menu that opens, tap Restart. The device restarts automatically.
To force the device to shut down
1
Detach the SIM and memory card cover.
2
Using the tip of a pen or a similar object, press and hold down the OFF button
until the device shuts down.
Do not use overly sharp objects that could damage the OFF button.
To perform a factory data reset
To avoid permanent damage to your device, do not restart your device while a reset procedure
is underway.
1
Before you start, make sure to back up any important data that is saved on the
internal memory of your device to a memory card or other non-internal
memory.
2
From your Home screen, tap .
3
Find and tap Settings > Backup & reset > Factory data reset.
4
To delete information such as music and pictures from your internal storage,
mark the relevant checkbox.
5
Tap Reset phone.
6
If required, draw your screen unlock pattern or enter your screen unlock
password or PIN to continue.
7
To confirm, tap Erase everything.
Your device does not revert to an earlier software version of Android™ even if you perform a
factory data reset.
If you forget your screen unlock password, PIN or pattern in step 6, you can use the device
repair feature in PC Companion or Sony Bridge for Mac to erase the security layer. By running
the repair feature, you are reinstalling software for your device and you may lose some
personal data in the process.
To reinstall the device software using PC Companion
1
Make sure that PC Companion is installed on your PC.
2
Open the PC Companion application on the PC, then, under Support Zone,
click Start.
3
Under Phone / Tablet Software Update, click Start .
4
Using the micro USB cable that came with your device, connect the device to
your PC and then click repair my phone / tablet.
5
Follow the instructions that appear on the screen to reinstall the software and
complete the repair.
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