Hi, I'm Bhavik. Welcome to JustAnswer. I'm reviewing your question now, and will reply back ASAP.
Would you like to do factory reset ? Erase everything from your phone ?
Please see the attached document. You will have to perform these steps to restore your Iphone with Factory default setting . This will erase your entire data so that your friend can use it like a brand new phone.
To do this you should have a computer/laptop and Itune. No Password ***** *****
Let me know if you have any questions.
Once Done, Please provide your rating to me so that I get paid for my efforts.
Did above work around fix your problem ?