Xperia mini ST15i touch problem

[#1]

I have the same touch problem and IMEI on demand

[Uliwooly]

can you elaborate? have you tried to repair it with either SUS or PCC?

[Uliwooly]

Update Service (SUS)

http://www.sonymobile.com/gb/tools/update-service/

http://www-support-downloads.sonymobile.com/Software%20Downloads/Update_Service_Setup-2.11.12.5.exe