Flash tool for Xperia™ devices (Emma)
http://developer.sonymobile.com/downloads/tool/flash-tool-for-xperia-devices/
sorry i have the app install in my pc i need a emma login details . because i have the brown device i need to update through emma so i need a special login details . thank you so much for your time.
Emma doesn't require login if you copy "customization.ini" in "Flash_tool_for_Xperia_4.zip" to your installed folder.
Default path in Windows 64 bit is: “C:\Program Files (x86)\Sony Mobile\Emma\”
Default path in Windows 32 bit is: “C:\Program Files\Sony Mobile\Emma\”
Instruction is here:
http://developer.sonymobile.com/services/flash-tool/how-to-download-and-install-the-flash-tool/
sorry friend i know that . but in my case i cant use that normal method its for unlocked bootloader and normal devices . mine is a prototype so i need a special login details .