There seems to be a lot of confusion to the subject of unlocking or jail-breaking the iPhone. Many people seem to think that there is a strict law in place and that by buying a new iPhone you are singing a contract where you promise to be a consistent AT&T customer. This is definitely not true. The truth is that you purchased the product, this means you are the owner, and you should be able to use it in any way you whish. With that being said, often times - especially using software Unlock methods, your warranty that has been provided by Apple will become null and void once you complete the unlocking process, so you must ensure that you unlock your phone in a safe and reliable manner.
When it comes to unlocking your 3G iPhone 2.2.1 there are some techniques and tricks that you need to be aware of in order to complete the whole process. You dont want to end up with an expensive decoration rather than a iPhone that can be used to its fullest. Before deciding to unlock your iPhone you need to understand what you are doing and what can happen to your iPhone if not done correctly.
Within the USA, almost every 3G iPhone 2.2.1 will come "locked" after you buy it. The locked iPhone will only allow the phone to work in a certain network such as AT&T for example. If you wish to use the phone with another cell phone carrier you will need to unlock the phone. The best iPhone unlocking tactics performed is using a hardware "piggy back" SIM card. Place this ultra thin SIMcard on top of the SIM from the carrier you wish to use, and your iPhone is Unlocked. You will essentially be given the freedom to finally use your 3G iPhone 2.2.1 in a way that you deem fit. This hardware unlock method will never void your Apple warranty.
There are certain warnings and precautions to consider when unlocking your iPhone. While you will find a plethora of information online such as tutorials and guides, it is best to let an unlocking expert take care of the major details. Search for and find a reliable company that will offer your detailed step by step instructions on how to unlock your phone carefully and in a way that will not risk harm to the phone itself. By using experts such as these you will also be given the details on how to return your phone to locked status if you wish to take it in for service or use the warranty that you undoubtedly purchased along with it. Take your time, get informed and seek expert advice. Sure unlocking your 3G iPhone 2.2.1 may seem easy enough after reading some free online tips, but do you really want to risk turning your expensive purchase into a useless paperweight?