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December 2012 how to use the flash tool for Xperia™ user guide
© Copyright 2012 Sony Mobile Communications AB. All rights reserved. Xperia is a trademark of Sony Mobile Communications AB. Other brands, company or product names mentioned herein are trademarks of their respective owners. You are hereby granted a limited license to download and/or print a copy of this document for personal use. Any rights not expressly granted herein are reserved.
First edition (December 2012)
This document is published by Sony Mobile Communications AB, without any warranty*. Improvements and changes to this text necessitated by typographical errors, inaccuracies of current information or improvements to programs and/or equipment, may be made by Sony Mobile Communications AB at any time and without notice. Such changes will, however, be incorporated into new editions of this document. Printed versions are to be regarded as temporary reference copies only.
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preface
Sony Xperia™ Developer World
For the latest technical news, tutorials and development tools, go to sonymobile.com/developer.
about this document
This document describes how to install and use the flash tool for unlocked Sony Xperia™ smartphones. To use this document you should be a developer or an advanced user, used to working with unlocked phones and custom ROMs. To update the software of an Xperia™ smartphone with locked bootloader, go to sonymobile.com/update.
document history
Change history
2012-12-06 Version 1.0.0 First version
2013-01-21 Version 1.0.1 Minor update
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contents
introduction ................................................................................................. 5 unlock your Xperia™ smartphone ...................................................................................................... 5 how to download and install the flash tool for Xperia™ devices ........................ 6 prerequisites ..................................................................................................................................... 6 install the flash tool for Xperia™ ........................................................................................................ 7 flash software on your phone using the flash tool for Xperia™ ......................... 7 troubleshooting ............................................................................................ 9 I’m asked to login, do I need an account for this tool? ........................................................................ 9 how do I unlock my phone? ............................................................................................................... 9 how do I know if my phone is supported by this tool? ...................................................................... 10 my phone is not detected, what do I do?.......................................................................................... 10 can I use the flash tool for Xperia™ offline? ..................................................................................... 11 is the service not available in my area? ............................................................................................ 11 what does “region could not be identified” mean? ........................................................................... 12 more information ........................................................................................ 12
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introduction
The flash tool for Xperia™ devices, called Emma, is an application used for flashing Sony software on your unlocked Xperia™ smartphone. This is useful if you’ve for example flashed a custom ROM on your device, and want to go back to standard Sony software. The flash tool for Xperia™ can only be used for Xperia™ smartphones with unlocked boot loaders. Also note that not all unlockable Xperia™ devices are supported. For a list of all supported devices, see http://developer.sonymobile.com/flashtool.
Figure 1. Screenshot showing the main view of the flash tool for Xperia™.
The flash tool for Xperia™ consists of two parts, an application called Emma (which you download and install on your computer), and a server (referred to as the Emma server in this document). As a user, all you have to worry about is the application part, which connects to the Emma server to access the software for your phone.
unlock your Xperia™ smartphone
The flash tool for Xperia™ is intended to be used with Xperia™ smartphones that have unlocked bootloaders. Connecting any other type of phone will not work, and will simply result in an error message. For more information about unlocking your phone go to
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http://unlockbootloader.sonymobile.com. Please note that unlocking the bootloader may void your phones warranty.
how to download and install the flash tool for Xperia™ devices
Before you can flash your unlocked phone, you need to download and install the flash tool for Xperia™. In this section, we will guide you to all the steps you need to take when installing the tool. Before you get started, you need to make sure that your computer environment meets certain requirements.
prerequisites
You must have administrator permissions on your computer to be able to install and run the flash tool for Xperia™ devices.
The following operating systems are supported:
Windows XP (Service Pack 2 or later)
Windows Vista
Windows 7
Windows 8
required PC hardware for using the flash tool for Xperia™.
In order for the flash tool for Xperia™ to work properly, your PC must at least meet the following performance requirements.
Minimum:
1.0 GHz CPU
512 MB RAM (Windows XP SP2) or 1.0 GB RAM (Windows Vista, Windows 7 or Windows 8)
Recommended:
2.0 GHz CPU
512 MB RAM (Windows XP SP2) or 1.0 GB RAM (Windows Vista, Windows 7 or Windows 8)
Note: If you do not follow the recommendations, Sony cannot guarantee the functionality of the flash tool for Xperia™.
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You will also need a USB cable to connect your phone to your computer. We recommend that the USB cable is connected directly to one of your computer’s USB sockets. If a hub is used, it should be a good quality USB 2.0 hub, with external power supply. Internet bandwidth recommendations
To guarantee communication with the Emma server, we recommend that your Internet bandwidth is at least 1.0 Mbps (available capacity).
install the flash tool for Xperia™
Before you can use the flash tool for Xperia™ you need to download and install it on your computer.
1. Download the Flash_tool_for_Xperia_1.zip file from http://developer.sonymobile.com/flashtool.
2. Unzip the Flash_tool_for_Xperia_1.zip and place it somewhere on your computer.
3. Run Emma_setup.exe. During the installation, make sure you remember the installation path:
a. Default path in Windows 64 bit is: "C:Program Files (x86)Sony MobileEmma"
b. Default path in Windows 32 bit is: "C:Program FilesSony MobileEmma"
4. Copy the Customization.ini file. You find it in the Flash_tool_for_Xperia_1.zip.
5. Paste the Customization.ini file into the installation folder. The installation folder is the folder named Emma in the installation path examples on point 3.a and 3.b above.
6. Start Emma by clicking Start > All programs > Sony Mobile > Emma > Emma (if you used the default installation path from step 3 above).
uninstall the flash tool for Xperia™
1. In Windows, click Start > All programs > Sony Mobile > Emma > Uninstall (if you used the default installation path from step 3 above). 2. In the Emma Uninstall window, click Yes.
flash software on your phone using the flash tool for Xperia™
When you have installed the flash tool for Xperia™ as described above, you can flash standard Sony software on your Xperia™ smartphone with an unlocked boot loader.
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Note! When you flash software onto your phone with the flash tool for Xperia™ devices, your user data and content is erased. Make sure to properly back up anything you don’t want to lose.
This is how you flash software on your phone:
1. Computer: Open Emma from the Start menu of your computer.
2. Connect a USB cable to your computer.
3. Phone: Turn off your phone.
4. Connect your phone to the USB cable while holding the flash key (for example Volume down). The flash key varies between models. For a complete key mapping, see http://developer.sonymobile.com/flashtool.
Figure 2. Screenshot showing the main view when a supported phone is connected.
5. Computer: Select the software you want in the Service list. The tool automatically detects the phone model and lists available software versions, which are called Services in this flash tool.
6. Click on Apply Service. The phone will now be flashed.
7. Phone: When the flashing is finished, you can disconnect your phone from the USB cable. The first time you start your device after flashing, the boot-up might take a little longer than normal.
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troubleshooting
In this section you can find the most common issues that can occur while using the flash tool for Xperia™, along with the cause and solution for each.
I’m asked to login, do I need an account for this tool?
If you are prompted to login when starting the flash tool for Xperia™, do not try to login or register an account. For this tool, you don’t need an account to flash unlocked Xperia™ devices.
The login window appears because the customization.ini file is not placed in the right folder, or because its content has been changed.
1. Make sure that the customization.ini file is placed in the installation folder, as described in th
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