I have bought karbonn jumbo last week.At first it has minor problems like heating while charging, glare in screen in the sunlight etc.But after 1 week I face some major problem like too much hanging, laging in application. The mic and speekar quality is not good.When I capture a photo in sunlight is good but when it comes to low light the quality of the picture goes horrible. The holding experianc is good and it looooks good from outside.I suggest you not to buy this. Thanksss.