how to root Xperia Arc S?!

[iamax10user]

Hi guys, I need help to know how to root my Xperia Arc S..

I entered to this link: http://unlockbootloader.sonymobile.com/instructions

but it's really not detailed at all.. I arrived to point 12 and didn't know how to continue.. can anyone help me plz?!

thanks

[Nabeel]

hey for rooting, u don't need to unlock your bootloader
and unlocking it by official sony method would not allow you to update in future

u can root your mobile without unlocking the bootloader
what is your build number ??

[iamax10user]

thanks for ur reply man...

my build number is: 4.0.2.A.0.62

[Nabeel · Accepted solution]

okh. u can't root .62 version unless u change to an old kernel

follow this {GUIDE} How to Root Xperia™ Smartphones

all steps are given, how to change kernel, etc etc
all the best