I purchased it in 2011
Specifications
512 RAM, 16 GB internal storage, wifii+GSM
PROS
1.High performance
2.Play high end games with no lag at all
3.I filled the whole of internal storage with apps, music and movies but not a single lag in any action
4.Sound quality is very awesome
5.Upgraded to IOS 9
Cons
1.Storage not expandable
2.Front Camera not good
3.Background downloading not possible
4.Difficult to hold with one hand
5.No calling facility
I am using it till now and it works like new