Running Diagnostic Tests On Your Device; Restarting And Resetting Your Device - Sony E2104 User Manual

Running diagnostic tests on your device

The Xperia™ Diagnostics application can test a specific function or run a full diagnostic
test to check if your Xperia™ device is working properly.
Xperia™ Diagnostics can:
•
Assess potential hardware or software issues on your Xperia™ device.
•
Analyze how well applications perform on your device.
•
Log the number of dropped calls during the previous 10 days.
•
Identify installed software and provide useful details about your device.
The Xperia™ Diagnostics application is pre-installed on most Android™ devices from Sony. If
the Diagnostics option is not available under Settings > About phone, you can download a
light version from Google Play™.
To run a specific diagnostic test
1
From your Homescreen, tap
2 Find and tap Settings > About phone > Diagnostics > Test device.
3
Select a test from the list.
4 Follow the instructions and tap Yes or No to confirm if a feature works.
To run all diagnostic tests
1
From your Homescreen, tap
2 Find and tap Settings > About phone > Diagnostics > Test device > Run all.
3 Follow the instructions and tap Yes or No to confirm if a feature works.
To view test results
1
From your Homescreen, tap
2 Find and tap Settings > About phone > Diagnostics > Test results.
3
Tap a date to display results for tests performed on that day.
To view details about your device
1
From your Homescreen, tap
2 Find and tap Settings > About phone > Diagnostics > Device facts.

Restarting and resetting your device

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. 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
page 115 .
If your device fails to power on or you want to reset your device's software, you can use
Xperia™ Companion to repair your device. For more information on using Xperia™
Computer tools .
Companion, see
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.
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Backing up and restoring content on
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