How to root or unroot W8/X8....

Rooting using superone click :

 Follow these instructions to root your Xperia X8 with SuperOneClick root.

1. The first step is to download SuperOneClick.Zip file from the given link http://www.4shared.com/zip/cuvsz6jr/SuperOneClick.html   and save it on your desktop.
2. Once done, connect your phone to the computer.
3. Now enable USB Debugging mode on your computer by launching Settings > Applications > Development. Checkmark the first option that is “USB Debugging”.
4. Once you have enabled USB debugging, Unmount SD Card. Go to Settings > SD Card, USB Mass Storage And Phone Storage and checkmark Unmount SD Card.
5. Now extract the exe file from SuperOneClick folder that we downloaded in Step 1.
6. Once extracted, double click the file to execute.
7. Now simply press root and wait for the procedure to finish. It will take around 5 to 10 minutes to root you phone so hang in there.

And there you go! You now have root excess of your phone meaning that you can install all those apps which require you to have root, along with flashing custom ROMS and planting recovery images etc.

UnRooting using superone click :

things you'll need

1.X8 with Usb Cable
2. Computer with SuperOneClick.exe (attached) 

before I let you through the unrooting thing I want to show you something.

after rooting your phone you will see a new application installed in your phone SUPERUSER

this application helps you to ask permission for root access if any application will be trying to access your root.

when I first UNROOTED my phone I was kinda puzzled to see the SUPERUSER application was still there and there was no way to remove it (no uninstall option as you've with your built in applications)
but than I searched the net and saw few tutorials and sorted my way back.

STEP 1 : 

Removal of SUPERUSER

Quote:

THIS HAS TO BE DONE BEFORE UNROOTING

I used a application named "ROOT EXPLORER" which is like a file manager

1. go to system->app

there you'll find superuser.apk 

now make sure you've clicked mount r/w i.e. read/write (this option will only come after rooting your phone) 
after clicking mount r/w, read/write access will be activated and r/o will be deactivated as shown in the figure

2. delete superuser.apk


STEP 2 : 

UNROOTING BEGINS

1. download Superoneclick (attached)

this is the new version it will have UNROOT option 

2. Connect your phone (debug on, sd card unmounted)

3. Click on UNROOT

4. as you've removed super user it will show this error

IGNORE IT

5. the process will continue and will stop at this point 

6. CONGRATULATIONS YOU'VE UNROOTED YOUR PHONE 


STEP 3 : 

CHECKING IF YOUR PHONE IS UNROOTED OR NOT 

just open rootexplorer and you'll see the screen as below 

the r/w access is GONE now you can only r/o (read only) your files ...

it may happen you wont be successful on first try. but give it time like 5mins if nothing happens close superoneclick, disconnect your phone and connect it again and try again. it will surely work

*Do all at ur own risk ... See to that,if any of the above mentioned steps have been interrupted,chances r there for ur mob to get bricked.