Sony 1289-4201 Cell Phone User Manual

To update your device using a computer
Make sure you have the PC Companion application installed on your PC or the
Sony Bridge for Mac application installed on the Apple
Using a USB cable, connect your device to the computer.
Computer: Launch the PC Companion application or the Sony Bridge for Mac
application. After a few moments, the computer detects your device and
searches for new software.
Computer: If a new software update is detected, a popup window appears.
Follow the on-screen instructions to run the relevant software updates.
IMEI number
Every device has a unique IMEI (International Mobile Equipment Identity) number.
You should keep a copy of this number. If your device is stolen, your network
provider can use your IMEI number to stop the device from accessing the network in
your country.
To view your IMEI number
Remove the cover to view your IMEI number.
Open the phone dialer on your device and enter *#06#.
To view your IMEI number in the device
From your Home screen, tap .
Find and tap Settings > About phone > Status.
Scroll to IMEI to view the IMEI number.
Battery and power management
Your device has an embedded battery. You can keep track of your battery
consumption and see which applications are using the most power. You can also
view an estimate of how much time is left before your battery runs out. The estimated
battery time is based on your most recent usage pattern.
To make the battery last longer you can use one or more battery saving modes,
which include STAMINA mode, Low battery mode, Location-based Wi-Fi®, and
Queue background data mode. Each mode works in a different way and controls
several power consuming functions on your device.
To view which applications use the most battery power
From your Home screen, tap
Find and tap Settings > Power management > Battery usage.
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