Phone contact are not showing in alphabet and some time not responding

[TTPatel]

Dear sir,

In My Xperia C the contact no are not arrange in alphabetically. and sometimes "contact are not responding" message come in my phone.

Please give necessary step to set the contact in alphabetically.

[TTPatel · Accepted solution]

reply immediately we are suffering problem

[TTPatel]

till we can't,solve problem, please help me immediately

[TTPatel]

contact have already problem please give advise