Why has contact manager stopped working on my Lenovo S650?

[AC Question]

I have smart phone model lenovo S650.

I have smart phone model lenovo S650. The problem I'm facing is the contact manager stop working and it cause my phone to hang, cannot view or read the message and contact number as well. I done the master reset yet the problem is still there. Please advise.

 

[dpham00]

Re: I have smart phone model lenovo S650.

I would contact the manufacturer for a warranty replacement.