1Before 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 .

3Find and tap Settings > Backup & reset > Factory data reset.

4To delete information, such as pictures and music, from your internal storage, mark the Erase internal storage checkbox.

5Tap Reset phone.

6To confirm, tap Erase everything.

Locking and protecting your device

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

Turn off your device, then remove the battery cover and battery to view your IMEI number.

Open the phone dialer on your device and enter *#06#.

To view your IMEI number in the device

1 From your Home screen, tap .

2Find and tap Settings > About phone > Status.

3Select the SIM card, then scroll to IMEI to view the IMEI number.

SIM card protection

You can lock and unlock each SIM card that you use in your device with a PIN (Personal Identity Number). When a SIM card is locked, the subscription linked to the card is protected.

If you enter the PIN incorrectly more times than the maximum number of attempts allowed, your SIM card will become blocked. You then need to enter your PUK (Personal Unblocking Key) and a new PIN. Your PIN and PUK are supplied by your network operator.

To lock or unlock a SIM card

1 From the Home screen, tap .

2Find and tap Settings > Security > Set up SIM card lock.

3 Select a SIM card.

4 Mark or unmark the Lock SIM card checkbox. 5 Enter the SIM card PIN and tap OK.

To change the SIM card PIN

1 From the Home screen, tap .

2Find and tap Settings > Security > Set up SIM card lock.

3 Select SIM1 or SIM2.

4 Tap Change SIM PIN.

5 Enter the old SIM card PIN and tap OK.

6 Enter the new SIM card PIN and tap OK.

7 Re-type the new SIM card PIN and tap OK.

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Sony Ericsson C2005, C2004 manual Locking and protecting your device, Imei number, SIM card protection

C2004, C2005 specifications

The Sony Ericsson C2005 and C2004 represent a blend of innovation and functionality in the mobile phone landscape, catering to users who appreciate both design and performance. Released as part of the Xperia series, these models are defined by their sleek aesthetics and user-friendly interface, which appeal to a wide range of consumers.

One of the standout features of the C2005 and C2004 is their display, which boasts a vibrant touchscreen that enhances the user experience. With a resolution that supports sharp visuals, users can enjoy crisp images and vivid colors, making multimedia consumption, browsing, and app usage a delight. The interface is intuitive, allowing for seamless navigation through various applications and settings.

In terms of performance, both models are powered by a robust processor that ensures smooth multitasking and efficient operation. This enhanced processing capability supports a multitude of applications, making them suitable for everything from social networking to gaming. Coupled with adequate RAM, users can expect swift performance without significant lag.

Another key characteristic of the C2005 and C2004 is their camera functionality. Both models come equipped with advanced camera technology that allows users to capture high-quality images and videos. The cameras feature a range of shooting modes and settings, enabling users to adapt to different lighting conditions and photographic needs. This makes the phones ideal for photography enthusiasts who wish to document their experiences on the go.

Connectivity options are extensive, with support for various networking technologies. Users can connect to the internet through Wi-Fi and utilize Bluetooth for easy file sharing with other devices. The inclusion of GPS functionality further enhances the usability of these models, providing accurate navigation and location tracking.

Battery life is another area where the C2005 and C2004 shine. Thanks to efficient power management features, these devices are designed to last throughout the day, accommodating the demands of users who are continually on the move.

In conclusion, the Sony Ericsson C2005 and C2004 stand out as commendable options in the smartphone market. With their elegant design, impressive display, and a range of features that prioritize user experience, these models serve as reliable tools for both daily tasks and entertainment. Whether you're snapping photos, browsing the web, or staying connected, the C2005 and C2004 are designed to meet the diverse needs of modern mobile users.