Xperia tipo dual touch issue

[swadesh]

i am suffering with touch. it makes us feel irritate. this problem occurs in every 15 days after getting repair. now its not in warranty period.

[Xperiatipo7]

use this tool might work

http://www.benignblog.com/2012/12/how-to-fix-touchscreen-problems-of-sony.html?m=1