If the phone won't boot, you can usually enter a recovery menu by holding specific button combinations (often Power + Volume Down ) until the Sony logo appears. From there, you can select "Wipe Data/Factory Reset." Updating Android (Software Update) Official updates for Sony Ericsson devices (like the Xperia Arc Go to product viewer dialog for this item.
Unofficial builds for Sony Xperia devices - Page 4 - iodé community soni jerikson obnovit android
Ensure your battery is at least 50% charged before starting an update or reset to prevent power failure during the process. Xperia Neo Go to product viewer dialog for this item. If the phone won't boot, you can usually
To get a newer version of Android, you would need to "flash" a custom ROM. Xperia Neo Go to product viewer dialog for this item
Communities like XDA Developers host unofficial builds of newer Android versions for legacy Sony devices.
* Boot to recovery: with device powered off and the cable disconnected, hold Volume down & Power keys until the device vibrates. *
If you are looking to "obnovit" (restore/reset) the device to its original factory state to fix performance issues:
