[Sony Ericsson Xperia Mini, Mini Pro, Xperia Pro, A] Arrow11:
*** First of all u should do these things ;)

1.	Go to settings > Security > Mark "Unknown sources"

2.	Settings > Developer options > Mark USB debugging

3.	Settings > Xperia > connectivity > USB connection mode > select MSC mode

Now u should need to install adb drivers for ur Xperia

*download adb driver installer from here - http://adbdriver.com/downloads/

*connect the 4n and install driver :)

Now ready 4 blowup ur device :P

1.Rooting method 1(Using eroot){working for both locked&unlocked bootloarders}

*Download software here - https://www.dropbox.com/s/96s1biel6qh49b7/ERoot-1.0.16.exe

*Run the software (Some files may download from the internet)

*connect the 4n and click root button :)

Remember 2 unlocked the home screen until rooting process complete :)

Working devices

*All 2011 xperia (Mini,minipro,Lww,Neo,Neo v,Arc,Arcs )

*Some 2012 xperia devices (Xperis S,SL,Acro,ion)

Working firmwares

GB~ 4.0.2.A.0.42, 4.0.2.A.0.62

ICS~4.1.B.0.431,4.1.B.0.587

If it success u can see this icon on ur 4n menu

Original thread Located here-http://xdaforums.com/showthread.php?t=2219781

Special thanks to nabeel

2.Rooting method 2(Using flshtool)

*install the flash tool -http://androxyde.github.io/

*install the drivers inside the folder name driver(C:\Flashtool\drivers)

*Now open the flashtool and click the highlighted icon.(My mark is unhighlighted because 4n is already rooted)

*After clicking that window appears it asks supersu or super user click super user..

*Then appears window in the 4n and gve 2 choices ..press restore(if doesn’t ask don’t afraid)

*Then waiting until ur rooting process done..(Don’t do anything to 4n when process running it may takes 2-5mins)

**{Ur 4n may reboot 3 times.dont unplug the device)

If it success u can see this icon on ur 4n menu :D

Working for all 2011 xperia

**working firmwares~ GB –4.0.2.A.0.42

Ics-4.1.B.0.431,4.1.B.0.587

And also it works for most sony devices like xperia u/sola 6.1.1.B.1.10

3.Rooting method 3(using DooMLoRD's Easy Rooting Toolkit)

1.Download the Zip- http://dl.xda-developers.com/attach.../7/6/DooMLoRD_v4_ROOT-zergRush-busybox-su.zip

2.Extract the Zip and click Run me.bat

Original thread located here - http://xdaforums.com/showthread.php?t=1321582

CWM INSTALLING

1.METHOD 1 ONLY FOR 2011 XPERIA DEVICES(USING zip)

*Download the Zip here - https://www.dropbox.com/s/d2zvx0ilc3a7s9q/CWM-Install.rar

*Extract the zip

*Xperia ARC/ARC S/NEO users click install-cwm1..

*LWW,Mini pro,mini users click install-cwm2

*When process running keep the home screen unlocked

*Cmd will automatically disappeared when process done

**Original thread- http://xdaforums.com/showthread.php?t=1345741&page=2

2.METHOD 2 USING RECOVERX (WORKS FOR XPERIA 2010/2011/2012)

Special thanks to people who r create this methods and Fb group mobile Stuff :D

*****Sorry for my Bad english***

If this helps you dont forget 2 press Thanks ;)

*Download the recover x-http://xdaforums.com/showthread.php?t=1773227

*Select ur device and android version correctly :)

*Press next and it will be done :D

3in 1 method

{ROOT&CWM&Better kernal}

BL UNLOCK ONLY

**Special thanks to chamara Rumesh

*Before do anything u should have installed Fastboot Drivers

*Download rage kernal here ..

For X mini~http://dl.dropbox.com/u/31230492/rage_kernel_mini_ics.zip

For LWW ~ http://dl.dropbox.com/u/31230492/rage_kernel_live_with_walkman_ics.zip

How to Flash rage kernal...

1.turn off ur device ..

2.Click flash.cmd Which located in Pre Rooted Rege Kernal folder

3.Now press vol+&connect to computer using data cable .

4wait for flashing ..

5.Done !!!!!!