Sony E2053 ユーザーズマニュアル
Restarting and resetting
You can force your device to restart or shut down in situations where it stops responding
or won't restart normally. No settings or personal data get deleted.
You can also reset your device to its original factory settings, with or without deleting
You can also reset your device to its original factory settings, with or without deleting
some of your personal data, such as music and pictures. This action is sometimes
necessary if your device stops functioning properly, but note that if you want to keep any
important data, you have to first back up this data to a memory card or other non-
internal memory. For more information, see
Backing up and restoring content
on
page 117.
Your device may fail to restart if the battery level is low. Connect your device to a charger and
try restarting again.
To force your device to restart
1
Press and hold down the power key .
2
In the menu that opens, tap
Restart, then tap OK to confirm. The device restarts
automatically.
To force the device to shut down
1
Remove the back cover.
2
Using the tip of a pen or a similar object, press the OFF button.
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, be 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 Homescreen, 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
120
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