In this I want to explain about the drawbacks of apple iPhone 3gs.
1)first drawback is OS version is not updated.
2)apps in app store are not supported to this version of OS.
3)i cloud account needs the information of our credit(or) debit card details.
4)battery back up is very low.
5)blue tooth connectivity with any device other then I phone is impossible.
6) cam is also not good.
7)it does not receive the carrier signal then compared to other mobile phones.
so these are the main draw backs in apple iPhone 3gs