Can a 2g mobile holder use 3g connection?

well,by using the 3g phone u can get acces to the internet at lightning fast speed but it's not possible in 2g.video calling is only possible in 3g

The answer to this question depends on what specifically one is looking for in a phone. If one is to consider price alone, a 2g phone is definetely better since it tends to be cheaper. However, the...

no

uses- u can watch videos (u must have understood what kind of videos) abuse- in uncoloured mobiles u cant watch videos (again u know what kind of videos)

yes u can but first u have to swallow it and poo it out