Here I want to share you one of my friend’s experience with buying second hand phone.he bought a android phone without bill from unknown person. after using it for only one week he comes to know that the phone was used in a crime.but he gets bail from after very long inquiry on police station.so guys here is some tips to be aware of buying second hand phones.
Buy the phone from a known genuine source.
Demand for bill always and the person’s identity.
I suggest you to buy second hand phone which has some warranty period remaining.
check its battery performance whether it is in good working condition or not.
search for market value of that phone before buying it on all sources.