Troubleshooting

My phone is not working as expected

If you experience problems with your phone, check these tips before you try anything else:

Restart your phone.

Remove and re-insert the battery and SIM card. Then restart your phone.

Update your phone. Updating your phone ensures optimal performance and provides the latest enhancements. See Updating your phone on page 104 for more information.

Reset your phone.

Be patient while resetting your phone. Restarting the phone during a reset procedure may damage the phone permanently.

Resetting the phone

You can reset your phone to its original settings, with or without deleting all of your personal data. It is possible to reset the phone 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 phone.

To reset the phone

To avoid permanent phone damage, do not restart the phone while a reset procedure is underway.

1 From your Home screen, tap .

2Find and tap Settings > Backup & reset.

3Tap Factory data reset.

4Tap Reset phone.

5To confirm, tap Erase everything.

I cannot charge the phone

The charger is not properly connected or the battery connection is poor. Remove the battery and clean the connectors.

No battery charging icon appears when phone starts charging

It may take a few minutes before the battery icon appears on the screen.

The battery performance is low

Follow our smart tips on how to get more out of your battery. See Improving battery performance on page 14.

The device does not recognize my wired headset

Make sure the wired headset that you are using complies to the CTIA standard. Your device supports the CTIA standard, and may not be fully compatible with other standards such as OMTP.

If you have a wireless headset that is compatible with your device, try using that instead.

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Sony 1264-0772, ST21i, ST21A, 1264-0775, 1264-0774, 1264-0773 manual Troubleshooting

1264-0775, ST21i, 1264-0773, 1264-0772, 1264-0774 specifications

The Sony ST21a2, also known as the Sony Xperia Tipo, is a compact and user-friendly smartphone designed to cater to the needs of users seeking an accessible Android experience. With its sleek design and modest specifications, the Xperia Tipo emphasizes simplicity without compromising essential features.

One of the defining characteristics of the Xperia Tipo is its lightweight and ergonomic body, making it comfortable to hold and use for extended periods. The device boasts a 3.2-inch display with a resolution of 320 x 480 pixels, providing decent visual quality for browsing and media playback. The screen is designed to enhance user interaction, making navigation through the Android interface smooth and straightforward.

The Xperia Tipo runs on Android 4.0 Ice Cream Sandwich, which offers a range of functionalities that make everyday tasks more manageable. Users can access the Google Play Store, allowing them to download a vast array of applications to further customize their experience. The device is powered by a Qualcomm Snapdragon S1 processor, which, while not the latest in technology, provides sufficient performance for routine tasks such as calling, texting, and using social media.

Another notable feature of the Xperia Tipo is its 3.2-megapixel rear camera, which allows users to take basic photos and videos. The camera includes features such as geo-tagging and a simple interface, making it suitable for casual photography. Unfortunately, it lacks a front-facing camera, limiting its capability for video calls.

Connectivity options for the Xperia Tipo include Wi-Fi, Bluetooth, and 3G support, ensuring that users can stay connected whether at home or on the go. The device also includes a 1500mAh battery, providing adequate longevity for daily use without the need for frequent recharging.

In terms of storage, the Xperia Tipo comes with 2.5GB of internal memory, expandable via microSD, allowing users to store additional apps, photos, and media files easily. The phone’s compact size, alongside its modest features, makes it an excellent choice for first-time smartphone users or those looking for a reliable secondary device.

In summary, the Sony ST21a2, or Xperia Tipo, is characterized by its compact design, user-friendly interface, and essential features. While it may not compete with more advanced smartphones in terms of specifications, it provides a solid foundation for users seeking simplicity and functionality in their mobile experience.