In this modern life mobile phone is a necessary device for us. It makes life easy. Everybody wants to purchase latest mobile according to their budget. We can purchase mobile in new version or some old version.
I think that the technology has changing very fast. So we need to update with technology.
Always prefer to purchase latest technology mobile. If their is problem you can purchase 6 month or 1 year old mobile. Please do not purchase very old mobile.
When we purchase old mobile we need to verify purchase bill, Mobile box, and other mobile accessories.
Read the specifications of mobile.
Try to make a call & check the voice quality.
Check data transfer speed, sound quality, Display size, camera & other specifications.
Always purchase good condition old mobile because it has your own risk, there are no guaranty or warranty.