You can find the original topic here
Thanks to Kusa123for the script & the original tutorial.
Thanks to DooMLoRD for his Easy Rooting Toolkit.
Step 1: if the device is not rooted, downgrade to 4.0.2.A.0.58 or older version using flashtool or wotanserver. (no need to unlock bootloader).
Step 2: Download ST15i touch screen issue.rar 1.44MB 353 downloads
Step 3: Extract the file and run the calibrate.bat file and follow the onscreen instructions. The device will reboot, then calibration should be done.
There you go. Now you phone is free from those crazy cupid auto touches.
Edited by Tanvir, 16 June 2012 - 02:01 AM.