This is a dropbox link:
It is works perfectly!
1.Download and run it 。
2.Connect your Xperia S /SL to the Computer（The correct driver is needed ） with USB Debugging and unknows sources on。
3.just click the “一键root ” then wait a moment 。
4.when it says “恭喜您，获取root 权限成功”，you are success.
Confirmed working for
Xperia Acro S
On any firmware , 6.1.A.2.55, 6.1.A.2.50, 6.1.A.2.45. Both Locked/Unlocked bootloader
Hey guys I am the author of ERoot, I created a blog and made some explanations how ERoot works.
Tks to [Nabeel.]
sorry for my poor english。