[Xperia Play General] typikal82:
Hope I'm not stepping on any toes, but here goes.

Are you these guys?

but you want to be these guys?

Okay, so you've read Mills' instructions and sort of understand them.

Right? Okay, let me translate all that for you.

First things first, you need to unlock your bootloader. To do so

So kindly ask one of them for your unlock code, and my best suggestion would be to get everything ready so you can unlock the bootloader and flash the booted recovery all in one go.

So download the recoveryPLAY.img and set it aside.

Then download the RootXperia.zip and set it on your SD card in the root directory. So in the main F:\ folder.

Download the drivers and fastboot.exe here http://www.multiupload.com/RS6367SQMT

Okay, we got everything. Follow these instructions http://www.theandroidsoul.com/how-to-unlock-bootloader-xperia-arc-play-neo-pro/ starting at step 6 but please read my notes below also

at step 7, you will hold down the SEARCH button and plug the USB cable into your phone.

When you go to look for the Driver in Step 10 of the guide look for the one on the list that says "Android Bootloader Interface 2.0.10.2 Google, Inc. c:\?????\oem28.inf", that's the one I used.

Once the drivers installed you can locate fastboot and run it, but do this in the command prompt. So you know, go to Start > Run..> type in "cmd" and your command prompt comes up. Type in "cd\" to get to your root directory, then type in "cd c:\documents and settings\.....whateverfolder you have fastboot.exe sitting in"

So Step 13 of the guide, you're in the ...\fastboot\ folder, you can now type in fastboot.exe -i 0x0fce getvar version and that will tell you if you're connected. If you get a <waiting for device> you probably loaded the wrong driver. </life>

If not, then you got the 0.3, so continue with unlocking your bootloader in step 15. Put in your command and the key you got from some really helpful people.

Okay, so you just unlocked the bootloader, awesome. Don't close any windows. Now remember that "recoveryPLAY.img" we set aside? Go get it and move it into the same folder that you have fastboot.exe in.

Okay, with your command prompt still open and your recoveryPLAY.img in the same folder as fastboot.exe, type in "fastboot.exe boot recoveryplay.img"

In about 10 seconds the screen on your phone will change, you will now see the recovery screen on your PLAY. The volume buttons are UP and DOWN, the power button is ENTER or SELECT. So navigate through the menus to install .zip from SD card, and look for the RootXperia.zip (we put it on your SD card earlier remember?). So you found it, Select it, it will run, the phone will tell you life is great, so scroll up to the top and back out until you see the option to reboot your phone.

Select Reboot and once you come up, go to the Android market and download something that requires Root, such as Titanium Backup or ROM Manager.

Finally, thank everyone involved for making this happen. Here http://xdaforums.com/showthread.php?t=1098131

I did this on Windows XP, so I'm not sure if everything is exactly the same for any other Windows OS. Mods, feel free to move, delete or what you please with this thread.