Want an iPhone but don’t know how to shop for the right handset? Well you can start by choosing between locked and factory unlocked iPhone 4S. iPhones promise the best mobile experience but before buying one, you should first take a look at the advantages and disadvantages that factory unlocked iPhones offer to be able to make the best decision. Here is a brief rundown of its pros and cons: Disadvantages of a Factory Unlocked iPhone Factory-unlocked iPhone is priced higher. Locked iPhones are subsidized by mobile carrier so these locked phones are cheaper to buy up front. Another disadvantage…