Contacts Problem

Hello

After i updated the OS of my Z10 ,now i have trouble with contacts ,the name doesnt appear when someone texts me even if the number is saved .i have an international Z10 ,i have to save each number twice ,once with country code and an other without it .. with the country code the name will appear in texts msgs ,and without it will appear when someone calls me ... do u have any solution for that its really bothering me