How do I have access to my call history from 1 month

I need my calls history sent to me please to prove something thank...

Please how can I view my call and SMS history

I want to see my incomming call history for the last month my number is 0838840374

I did a 15gb monthly plan data on Sunday for #3500 and on Monday evening,I was unable to access internet connection so I checked my data balance and I got a response that I have...