Every GSM Phone has on board, it's abilities and disabilities.
For these and other reasons it would be wise and beneficial to you to invest time on investigation to determine what each phone has to offer or at least have an idea of things you want in the phone before you make a purchase.
For example, if one has problems with one's eyes and one needs a phone with bold prints and large screen, one has to search for one that would suit one's purposes.
If you are a business man and always mobile, you need a phone with enterprise solutions capabilities-packed to the rafters with applications and multimedia capabilities.
The phone has to be high on performance, features and usability.
If on the other hand, one is into music and video, one needs a phone with high memory capacity and possibly with expandable capability.
Different service providers all over the world offer different tariff regimes, discounts and special promotions from time to time.
Once more, we advice that if you do your investigations properly you stand to save money and enjoy hitch-free calls.
At present, a 3G+ service provider would be ideal for obvious reasons.
Incentives like free weekend calls, off peak rates, intra and inter network call rates, international call and SMS rates and roaming amongst others should be considered before choosing a service provider.
All these will help you save money.
We shall be providing cutting edge information that will assist you in making the best choices when it comes to everything about GSM.