Apple I Phone — I m complaining about iphone 5 s which i bought in april

Address: East Delhi, Delhi, 110032

I m a user of apple 5s. I took this phone in the month of april nd problems are coming from the same month.
1. Problem in charging the phone.
2. Problem in piking up the call
3. Hanging problem is also dere in this phone.
4. Sign out problem is also dere.
5.In short this phone is the worst phone i have used in my life.
I want u to swap my phone because it is not working as it should