Unlock iphone 4s services are now becoming more and more popular. Unlocking is simply a method used to remove sim restrictions set on your iphone. When you have successfully unlocked your iphone, you will be able to use it in placing calls on any network provider, not just AT&T. One common reason why iphone 4s users want to unlock their iphones is to be able to free themselves from the sky-rocketing international roaming charges. That’s actually a valid reason to consider unlocking your iphone 4s. But before you actually do so, you should first know that there are two ways to unlock your iphone 4s (and other iphone models) — through the use of software or hardware unlock.

Software unlock is deemed much safer since it won’t require modifying your iphone 4s not to mention the fact that the process can be easily reverted so you won’t void your warranty. Hardware unlocks, meanwhile, means modifications need to be made on your iphone device to be able to unlock it.

Software unlocks are readily available in the internet and usually being offered by hackers for free. Hardware unlocks, on the other hand, are quite tricky to do and will most likely cost you money. So basically, if you wish to unlock your iphone 4s, you have the choice to either do it for free or for a reasonable fee, the decision, of course, is pretty much up to you.

iPhone users who do not want to spend a dime can just make use of the free information on how to unlock iphone 4s in the internet, while those who don’t mind spending a few dollars can choose to settle for paid hardware unlock services.