Sony ST27A Resetting your device, Locking and protecting your device, About resetting your device

Models: ST27i

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To download the PC Companion application from your device

To download the PC Companion application from your device

1Connect your device to a computer using a USB cable.

2When prompted, follow the instructions in your device to launch the installation of PC Companion on the computer.

PC Companion can also be downloaded from PC Companion.

To download software updates using a USB cable connection

1Install the PC Companion application on the computer you are using, if it is not already installed.

2Connect your device to the computer using a USB cable.

3Computer: Launch the PC Companion application. After a few moments, PC Companion detects your device and searches for new software for it.

4Device: When notifications appear in the status bar, follow the on-screen instructions to carry out the relevant software updates.

To update your device using an Apple® Mac® computer

1Install Sony™ Bridge for Mac application on the Apple® Mac® computer you are using, if it is not already installed.

2Using a USB cable, connect your device to the Apple® Mac® computer.

3Computer: Launch Sony™ Bridge for Mac application. After a few moments, Sony™ Bridge for Mac application detects your device and searches for new software for it.

4Computer: If a new software update is detected, a popup window appears. Follow the on-screen instructions to carry out the relevant software updates.

Sony™ Bridge for Mac application is downloadable from Bridge for mac.

Resetting your device

About resetting your device

You can reset your device to its original settings, with or without deleting all of your personal data. It is possible to reset your device to the state it was in before you first turned it on. But before you perform a reset, make sure to back up any important data saved on your device.

To perform a factory data reset

To avoid permanent damage to your device, do not restart your device while a reset procedure is underway.

1From your Home screen, tap To download software updates using a USB cable connection.

2Find and tap Settings > Backup & reset.

3Tap Factory data reset.

4If you also want to erase data such as pictures and music, which is saved to your device's internal storage, mark the Erase internal storage checkbox.

5Tap Reset phone.

6To confirm, tap Erase everything.

Locking and protecting your device

IMEI number

Every phone has a unique IMEI (International Mobile Equipment Identity) number. You should keep a copy of this number. If your phone is stolen, your network provider can use your IMEI number to stop the phone from accessing the network in your country.

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Sony ST27A, ST27i manual Resetting your device, Locking and protecting your device, About resetting your device, IMEI number