The iphone 3g comes in market having avery much probelem creating iphone model along the variations of all model because only it doesnt allow the whatsapp to run on this very iphone even the version of apple ios cant be update over then os4.2.1 I used it till 5 months n felt that it is worst version of all the models of iphone versions the upcoming versions of iphone just like the 5s 6s having the whatsapp availability and also in the iphone 3g the bluetooth unavailability system is worst but the new model wake up with the bluetooth features and allows the customer to make full freedom of doing anything or nothing although I only prescribed you bro to use only latest versions not that of old like iphone 3g I wish that you all my freind having get awared of this very unaccessed probelem yours friend me means I