Watch the Video of converting k550 to w610. From here
This tutorial helps you to convert your k550 into a Cybershot-Walkman Phone.
After you Flash k550 to w610 you will have w610i, k550i+w610i best of both worlds and popularly know as Cybershot-Walkman.
So why waiting Lets Get started
Tools and Softwars Needed
1) Windows XP Service Pack2
2)SEUS Sony Ericssion Update Sute
3) Sony Ericson USB Drivers
4) XS++ v 2.2 or 3. 1
5) w610i Main
6) w610i FS ***
7) Cust pack.. for Cent Europe FS ***
*** To Get the FS for your region…form the collection click here
Okey Lets Start
Step 01:Instal Usb Flash Drivers
To connect phone in flashing mode, and perform tasks like flashing the main firmware, FS or to upload files to FS you must have USB Flash drivers installed on your computer.How to Instal
Step 02:Back Up All Data
Back up your Contacts (Tutorial)
Back up GDFS (Tutorial)
LAST STEP
Now go to
And follow the steps..
This is very good tutorial. I flashed my mobile with no issues.