Apologies as the Repair Status tool is under maintenance until further notice. To get the latest status, please contact the local service point where you submitted the phone for repair.
Nokia Care Protect
Extend your device's original Manufacturers Limited Warranty for an additional 12 months.
Touch screen of my Nokia Series 40 phone responds inaccurately. What can I do? - Nokia FAQ
Try to calibrate the touch screen if it feels inaccurate. To calibrate the touch screen, tap the Menu icon and select Settings > Phone > Touch settings > Screen calibration, and follow the instructions on the screen.
If it does not help. reset factory settings. Backup your phone before doing so.
If it does not help, try to update with the latest available sw for your phone.
If it does not help, visit the Nokia Care Point in your area. For contact information, go to your local Nokia support page.