Hard Reset For Sony Xperia LT18i

Hard Reset Steps:

Switch on mobile "mobile show google lock"

-1 Then go to emergency call press this code *#*#7378423#*#*.

-2 After pressing key display show four option :

    *Service info
    *Service setting
    *Service texts
    *Sustomization setting

-3 Choose "customization setting".

-4 Then press "Reset Customization" phone will reboot & reset.