Can you use your iPhone overseas

Can you use your iPhone overseas

If you are a business professional, than you use your iPhone for more than simply keeping in touch with your friends and family, in many cases your iPhone is your link to the business world. Whether you are keeping track of your stocks, checking your e-mail or conducting conference calls while on your way to a business meeting, your iPhone is literally your key to keeping connected with your professional life. However, if you are like most business professionals, than you travel the globe in order to keep your business active and profitable. There are many concerns that people have with cell phones are whether or not you will be able to use your phone when you are in a different country, especially if you are visiting for an extended period of time.

Like most cell phones, the iPhone works with a particular cell phone carrier, and in this case you have your service through AT&T/Cingular. Many business professionals want the security in knowing that their cell phone service will not be disrupted simply because they travel from country to country. Since the iPhone is serviced by AT&T/Cingular, you will not have to worry about loosing service, or features, because the iPhone uses the GSM system. GSM is an acronym that stands for Global System for Mobile communication, thus allowing you to use your cell phone in many different countries. Actually, there are over one hundred countries around the world that use GSM, thus allowing you to keep using your iPhone without any hindrance to cell service.

Many business travelers go to Europe and Asia, and since their iPhone uses GSM, they are able to have excellent service throughout both of these locations. However, there are some precautions that you will want to take before you leave the country with your iPhone. If you have ever traveled throughout the world and used your cell phone, you were probably surprised by extremely high charges for phone and data use.

This is because your number is an American telephone number, thus every call you make within another country is looked upon by your carrier as an international call. If you are overseas for quite some time, than it is easy to accumulate several hundred dollars worth of fees and roaming charges, this is why you will
want to alter you calling plan if you travel overseas frequently.

AT&T/Cingular has really great international calling plans that are very cost effective. Thus you are able to still travel throughout the world without having to worry about roaming and international call fees. Also, if you use data on your iPhone, which most of you do, you will want to make sure that you have an international data plan as well. The worst homecoming surprise you can get is opening your cell phone bill only to find several hundred dollars worth of extra charges and fees. However, if you plan ahead and make sure that you obtain a new service plan that includes international cell phone use, you will not have to worry about extremely high charges.

Viewty LG KU990 – Better Than The iPhone?

Viewty LG KU990 – Better Than The iPhone?

With all the hype of the current release of the Apple iPhone you would be forgiven for not being familiar with LG’s latest offering, the LG KU990 Viewty. As with the iPhone handset the Viewty allows you to navigate its menus and features with the touch of a finger. But LG have added a few features to the Viewty that the iPhone is sorely missing. Could this touch screen technology underdog really be better than the iPhone?

The LG KU990 Viewty is equipped with a 5-megapixel camera including a xenon flash and auto focus which puts Apple iPhone’s 2-megapixal offering to shame. The camera can also be switched to capture high speed motion footage and includes a unique feature that allows you to watch the video replay in slow motion. Combine this with the option to automatically upload to YouTube and you can plainly see why the Viewty is genuine competition for the iPhone.

The Viewty allows you to browse the Internet through a fast GPRS or 3G Internet connection with an innovative web browser that allows you to zoom in on areas of web pages and then use your finger to drag the page across the screen. This function is useful as the handset screen is small and trying to read a full webpage without the zoom would be almost impossible. Surprisingly the Viewty is missing a Wi-Fi option, a feature which has become very popular and almost a ‘must have’ on new mobile phones as Internet browsing becomes more popular.

The onboard 170MB memory is generous but the microSD memory can only be expanded to 2GB which is really poor when you consider that the Viewty is going to be used for capturing high quality photographs and video. In comparison with the iPhone’s standard 8GB the Viewty falls short by a long way.

The onscreen buttons and menus are easy to navigate and the photo gallery neatly allows you to drag and drop photos as if you were shuffling through a bunch of photographs laid out on a table. As with the iPhone there are some traditional buttons located under the screen that allow you to quickly answer calls or direct you to the main menu. There is also a selection of buttons on the side of the handset which allow easy use of the camera options.

At 103.5 x 54.4 x 14.8 mm the Viewty handset is smaller than the iPhone but slightly thicker. The battery life is good for a regular phone but with the other technologies included it will be necessary to regularly recharge especially if you have set the phone to vibrate each time you select a button on the touch screen.

In conclusion the Viewty is not just a clone of the iPhone. Yes the iPhone will be a lot more popular and will sell many more units due to a frantic advertising campaign and brand awareness. Yes the iPhone does look beautiful and operate a lot slicker than the Viewty. Yes the Viewty is missing Wi-Fi, but there are a few features that will help the Viewty compete with the iPhone. It has a far superior camera which includes video capture, the Viewty is open to networks other than O2 and the handset costs are likely to be significantly less than the Apple iPhone. The Viewty is kind of like the footballer playing for a small team who scores a spectacular goal but is overshadowed in the media by the big team player’s strike.

The Dangers of Unlocking Your iPhone

The Dangers of Unlocking Your iPhone

You may have heard that there is an unlock for the iPhone. Not only can you unlock iPhone firmware 1.0.2, now firmware 1.1.2 is also cracked and so is firmware 1.1.3. There are many ways to unlock your iPhone. If your read all of the hype, then you might think that this is not a big deal and anyone can do it. You have the choice of purchasing an unlock from iphonesimfree.com or you can search YouTube for the latest video on how to unlock your iPhone. There is risk associated with this, especially if you start messing around with the bootload program. The dangers of unlocking your iPhone may actually outweigh the benefits.

Before we go any further, we need to be certain that everyone understands what we are talking about. An unlocked iPhone is an iPhone that has its firmware hacked into. The most common reason for this is so that the user can bypass the Apple – AT&T exclusive agreement that AT&T is the sole provider of cell phone service for the iPhone. When you unlock your iPhone, you are allowing the iPhone to be used on any cell phone network using standard GSM technology. Now that we have the terms cleared up, we need to see if it is really worth risking the dangers of unlocking your iPhone.

There are risks, make no mistake about it. Some of those risks are recoverable, some are not. If you make a serious mistake, you can “brick” your iPhone. In a sense, this is exactly what happens, your iPhone locks up, cannot be recovered from, and is now nothing more than an expensive brick. In order to prevent this from happening, you need to be certain that the instructions you are following are accurate. Even iphonesimfree.com will not guarantee that their software will not harm your iPhone. All they state is that it will work. They do not offer money back guarantees.

Why do you need to unlock your iPhone? If you are happy with AT&T as a cell phone service provider and you enjoy their visual email (an AT&T exclusive) then there is no reason to unlock your iPhone. Just keep using it as is. You can keep upgrading to the new firmware releases without worrying about killing your iPhone. If however, you would rather use T-Mobile as a cell phone provider or if you are looking to get enhanced music and video content then you can unlock the iPhone.

Here is the risk; right now, there are hacks to unlock the iPhone through firmware versions 1.1.4. However, only iphonesimfree.com states that their product is guaranteed to work with every firmware update from Apple. They claim that any unlock from them is good for every firmware update. Others claim to be able to have unlocking instructions for free that will unlock your phone without having to downgrade to firmware version 1.0.2. The problem is if you unlock your iPhone this way and then you upgrade to a higher version and it does not work, your iPhone will re-lock. If this happens then you might not be able to use your iPhone even if you go back to using the SIM card that originally came with your iPhone. Then you will have to go and figure out a way to get it to work. Apple will not be of any help to you if your iPhone bricks or even refuses to connect to a cell phone service because you decided you wanted to hack the firmware.

What about buying an unlocked iPhone? Here again the dangers of unlocking your iPhone still hold true, only this time you have no idea of how the phone was unlocked. If you purchase an unlock from iphonesimfree.com and have problems you can contact them and they will help you. Vendors selling unlocked iPhones may not be so helpful.

The dangers of unlocking your iPhone may not be apparently clear. However, there is a danger of ruining your iPhone. That makes it very expensive experiment. Are you sure you want or need your iPhone unlocked? If you do remember the dangers of unlocking your iPhone before you do something that cannot be undone.

The Popular 2012 Gadgets As Gifts

The Popular 2012 Gadgets As Gifts

The year 2012 has seen more and more people giving gadgets as gifts. In fact, most of the holiday gift spending will revolve on gadgets. A lot of gadget manufacturers are banking on the holiday spending to increase the sales of their gadget offerings. To understand the top gadgets this year is to look at it by category. Basically the gadgets in the market are categorized as entertainment, mobile, and tablet.
Each of the categories has its own top dog. We picked the best of each category that made quite a good splash to merit the thumbs-up of people who ditched their cash just to get a hold of these shiny new gadgets.
Let us start off with the entertainment category:
Smart TV
Let us start taking a look at Smart TVs or the gadgets that can make your dumb television smarter. One of them is Roku which is a simple device that is connected to your television through an HDMI cable and it can be connected to the Internet through an Ethernet or wi-fi connection. It is able to connect through Netflix, Hulu, Crackle and a lot more. Another choice is the Apple TV which can work well with your iPhone or iPad especially when streaming content that is best seen on a larger screen. If you are an Apple fanboy then you are in for some treat.
HDTV
If you want to check out high-definition televisions and you have the moolah to spare, then check out Panasonic’s TC-PVT50 series which has one of the best black levels in the industry and its color accuracy is top-notch. It has great screen uniformity and off-angle fidelity compared to other brands in the market. The price, well if you have $1,900 lying around you can get a base model for it.
Let’s go to the mobile category and we’ll start off with:
Smartphones
The Samsung Galaxy S3 proved to be one of the most popular phones in the market today and even has taken over the sales of the iPhone 4S. It has sold more phones than the Apple flagship. It has an eight-megapixel rear camera, it has a lot of software based amenities such as burst shot, smart stay, pop-up play and more. It is even capable of connecting to newest 4G networks and allows you insanely blazing internet speeds.
Runner-up mention would be for HTC One X which has an excellent camera and a fast processor noteworthy of being one of the best smartphones to be launched in 2012. Another runner-up in the smartphone category is the LG Optimus G which has a very fast chipset which is provided by chipmaker Qualcomm.
If you are a loyal fanboy, then we recommend the iPhone 5, which is the latest offering from Apple. The 4-inch Retina display toting phone has all the bells and whistles that you have gone to love with the iPhone. A robust ecosystem and a better camera with panoramic capabilities, is what the iPhone 5 brings to the table.
Personal media player
For personal media players, the king remains the iPod touch fifth generation. The new iPod touch has a Retina display and a five-megapixel rear camera with LED flash with the same five-element lens in the iPhone 4S but a megapixel count similar to iPhone 4.
Now we go to the tablets featuring:
iPad
The new iPad has a processor similar to what is running the iPhone 5 and an insanely fast graphics processor that allows you to run 3D games that you can get from the App Store.
Nexus 7
This low-priced yet high-quality offering from Asus and Google has proved to be a worthy adversary in cornering the tablet market. It offers blazing-fast processing speed and a decent display to play content downloaded by Google Play
Kindle HD
Another low-priced but high-quality tablet, Kindle GD has rocking the scene due to its price to feature ratio. Some say that Amazon’s gamble not to charge much for each table makes it unbeatable and could give the iPad a run for its money.

iPhone May Not Be Worth The Money

iPhone May Not Be Worth The Money

Before release, everyone anticipated the iPhone with restlessness, and then with great reviews under its belt, the gadget became the center of attention in today’s high-tech universe. What’s funny to me is that everyone’s pointing out only the upsides of the iPhone (probably because they want to sell it to you). I believe the iPhone is very neat, but is it worth the money or a rip-off? That’s what I’m here to tell you.

One major downside and complaint of the Apple iPhone is its battery’s life. Because of the high-tech features such as multi-touch technology, revolutionary sensors, and nearly the same operating system as in the Mac, the battery is drained easily. Truth is Apple released the iPhone before creating a top-tier battery.

iPhone exclusively using AT&T’s Edge is yet another major complaint. The data network is sluggish compared to other more developed networks today. Apple has claimed this feature isn’t a major drawback, well, because the gadget had been designed to be notorious about receiving broadband connection via Wi-Fi Hotspots. Simply, the network is slower than what you’re used to with your computer.

The iPhone doesn’t support the sophisticated 3G technology for no particular reason. It’s a mystery. MMS functions aren’t even provided in the iPhone. Nor are voice dialing or recording. This means that it’s only a dual-band mobile phone.

Tackling messaging, there is no instant messaging. Therefore, you’ll have to stick to plain and simple e-mails. This can be a drag in the business setting. And what makes matters worse, you can’t copy and paste important data.

The iPhone doesn’t have a memory slot at all. Apple claims there is sufficient built in memory, yet consumers today expect to have the feature of external memory. Therefore, Bluetooth capabilities are weak an do not support file transfers or A2DP. Again I ask, what use does the iPhone have for businesspeople?

Okay. I’m being a little harsh. The Apple iPhone is still the best handheld phone on the market, but that doesn’t mean there’s not room for improvement. It’s possible Apple is saving the upgrades for the next addition of the iPhone.

The iPhone has revolutionary features as said previously. We’ve never seen anything like it, but is it in comparison worth the money? If you need the best there is then possibly. It’s a nice toy but may not be as valuable as priced.

The gadget’s value also depends on what you’ll be using it for. If you’re a businessman, you might want to stick to your current PDA until the Apple iPhone is upgraded. If you’re looking for the most high-tech, hottest toy on the market that you can use to surf the internet anywhere (for entertainment purposes) it may be worth the investment for you.

Apple did quite well with the iPhone. Note that this article is only about the downsides. Of course, there are many perks you should know before deciding whether to get the iPhone.

Wait! Did I mention you’re stuck with a two-year contract if you buy the iPhone?

iPhone Unlocking Benefits

iPhone Unlocking Benefits

Many awaited the launch of the iPhone and when it finally arrived in the summer of 2007 the line to get one was a long one. For people who didn’t live in the USA the waiting in this line would have to continue till November the same year and by then it stood clear that the phone needed to get unlocked to live up to its full potential. To get an iPhone and not unlock it would be considered a waste of money by many, especially since unlocking became so easy as clicking your mouse.

Cheating Customers

It is questionable if it is OK to unlock an iPhone but this could easily be turned around as a customer that buys this expensive phone is forced to accept the terms of the operator it is tied to. In the USA the phone operator is AT&T and in some cases buying the phone means that a customer has to stick to the phone company for 2 years! It is evident that such an arrangement robs the customers of the benefits of a free market where prices are influenced by the competition of the phone companies. To unlock the iPhone means to get a better variety of rates and subscriptions.

In Europe it is only possible for people living in the UK, Germany or France to enjoy the locked iPhone. It is not unusual with business relationships between these nations and that means that customers in Europe will not only have to accept the rates of the company with the rights to the iPhone in their own country but also the conversion rates that are added as they cross into one of the other countries. By unlocking the iPhone it will gain a better reputation as a phone that can be fit for everyone.

Immobile mobile

For people living in countries other than the UK, France, Germany and the US, the only way to enjoy an iPhone is to unlock it. It is quite remarkable that a phone that is meant to be used as an all around tool isn’t fit to be used globally. Without a simlock the phone becomes affordable and more attractive and it can better be used globally. Taking away the lock-feature will not only benefit the great many customers who would like to use it but also the producers that certainly want to see their phone conquer the world.

If you decide to unlock your iphone its recommend you do it with a reputable firm that knows what its doing and can give you propper support. There are many cases where an iPhone has been bricked by malfunctioning software.

Are Apple right to brick hacked iphones

Are Apple right to brick hacked iphones

iPhone is an Internet enabled and multimedia mobile phone well designed and marketed by Apple. IPhone has a multi touch screen with buttons and virtual keyboard. The primary function of IPhone includes those of a portable media player and a camera phone with an addition of visual voicemail and text messaging. IPhone also provides Internet services including web browser, e-mail, and WiFi connectivity. IPhone also support EDGE (Enhanced Data Rates for GSM Evolution) data technology. The IPhone was introduced on 29th June’07 for the first time in United States, and then in the UK, France, and Germany in Nov’07. Initially IPhones are sold only at AT&T network with a Simlock, in place a variety of hackers have found techniques to unbolt the device.

Not only are sure Apple stores annulled the warranty on hacked and not closed IPhones but Apple just freed a statement which says that the unlock process attached with a future IPhone update may ground your phone as a useless brick. Users from installing illegal unlocking program are strongly discouraged by Apple because the enduring incapability to use an IPhone due to fitting or installing unlocking software is not enclosed under the warranty of IPhone. Remember not to update your phone until you are not sure that is safe if you have already unlocked it. Bricking is somewhat done unintentionally, but bricking it entirely is something Apple should really work hard to avoid. They should try to avoid it even if it costs a revenue share from AT&T. The main concern about every user is for the safe advancement or development of Apples that so far have made the IPhone better. IPhone software license agreements are violated by users who make illegal alteration to the software on their IPhones. There is a superior side to all this offered, you can get Apple to make firmware that does not brick IPhones and most press releases also state the feature update through the firmware. This is previously how the Play Station Portable (PSP) firmware updates were made as must haves for owners. Unlocking the IPhone is not practically as appealing or attractive, if it means you don’t acquire the advantage of novel features. An excellent thing when you consider that the finest IPhone novelties in the previous few months are the third party hacks, but not the official Apple updates and the web apps.

It has been discovered by Apple that many of the illegal IPhone unlocking programs accessible on the net reason permanent damage to the software of IPhone. This will probably result in the customized IPhone becoming everlastingly terminal when a future IPhone software update Apple-supplied is installed. Apple tactics to let go the next IPhone software update which contains many new features counting the iTunes WiFi Music Store. Apple powerfully disheartens consumers from installing illegal unlocking programs on their IPhones. IPhone is one of the greatest gadgets today which are most popular among the youngsters and businessmen. IPhone have great features with unbelievable results.

Apple iPhone: It’s About Time

Apple iPhone: It’s About Time

Apple iPhone is no longer a mystical rumor; it exists, and it’s the rage for all those techie consumers out there. The Apple iPhone is expected to become available from Apple and Cingular in June ‘07 for $499 for the 4GB and $599 for the 8GB version. It’s a fully multi-tasking communications device that allows the user to read a web page while downloading email in the background over Wi-Fi or EDGE. Other appealing features are its slim profile and lack of keys (only three hard keys), that make this phone the ultimate fashion accessory.

The cost of the iPhone is remarkably high, but it is to be expected with any market entrance. Overtime prices will lower much the same way that the Motorola RAZR did. As aforementioned, an 8-gigabyte model will cost $599 and a 4-gigabyte model $499. Regardless of the high price, the image of this product is so high that it will be widely accepted by consumers willing to pay the price.

Features for Apple’s iPhone include HTML email (IMAP, POP3), with Safari as the browser, 2 separated batteries, flash memory, slide out keyboard, and touch screen on the outside. Utilizing a familiar graphic interface, and other user centric features different from most mobile phones the launch of the iPhone today is reminiscent of January 1984 when Apple first introduced their Macintosh personal computer. There is no doubt that Apple will follow their success with the iPod by delivering a compelling, relevant, and user friendly product.

Ultimately, the Apple iPhone is a combination of three different products: a cell phone, a widescreen iPod with touch controls and an Internet communications device. The iPhone will revolutionize the cell phone industry posing threats to others who have been in the industry for ages. The good news for consumers is that Apple has raised the bar which promises better products from all manufacturers.

A Review Of The Apple Iphone

A Review Of The Apple Iphone

Perhaps the most important device of the 21st century, the iPhone, by Apple Inc., delivers both form and function in one small package. After years of rumors and speculation, the phone is now earning Apple and AT&T some serious cash and giving users, or fan-boys as they are sometimes called, eternal gadget bliss. Some customers, however, aren’t so pleased.

The iPhone, touted sometimes as “Jesus Phone,” is still as prolific as its debut 4 months ago. It has been hacked, unlocked, and now patched. The applications are limitless. The biggest complaints of the phone are:

1. AT&T – Once you buy it, you’re trapped with AT&T as the sole carrier of the iPhone.

2. No MMS support – What phone, in this day and age, doesn’t include the popular MMS protocol to send images to other phones? Answer: The iPhone.

3. Price Tag – “OMFG” Can you justify spending $600 for the iPhone? After a few short months, the iPhone’s price tag drops to $399. Ouch, early adopters.

Each application of the iPhone is amazing. You simply can’t compare it to other phones on the market, though a lot of people try. The phone itself isn’t bad. Everything is touch-screen, so it takes a little getting used to, but the five modes within the phone feature work flawless. You have your favorite contacts, recent calls, contact list, the key pad to dial numbers, and visual voicemail. It’s a new way to make and receive calls. The phone even gives you as much Caller ID information as possible from numbers not listed in your contacts.

Having mail is important to a lot of people. With the iPhone, you have a real email client, similar to a Blackberry or other smart phone device. What’s different is the fact that it actually looks like an email client on your MacBook. PC users might not understand this point, but the simplicity of the Mail program is perfect for emailing “on-the-go.” Buyer beware though, the email program does have to use the painfully slow AT&T Edge network. This means if you’re loading a lot of messages, be prepared to wait minutes to download all of your messages. Web applications like G-mail are also frustrating because every email sent from the phone must also be retrieved after sending. Your best bet is to IMAP an email address.

Having the Internet at your fingertips is probably what makes the iPhone the most advanced mobile device ever. The power of having a Safari web browser is amazing, but the problem with Safari it’s slower and less powerful than its big brother counter parts, Internet Explorer and Firefox. Also, currently you can’t run Java or Flash yet, which makes it impressive visually, but as watered down as other mobile browsers in terms of functionality.

The built-in iPod is what you’d expect from Apple’s iPhone. It’s simple and easy to navigate. There is cover flow view which lets you flip through cover art to find the album you want to listen to, and a segregated video play list which lets you watch movies on the run.

“Third party apps” are a great thing on the iPhone. These web applications bring extra functionality to an already amazing device. At first, there were few, but as time passed, and as popularity grew, the iPhone became a booming business for third party web apps. The downside, they’re web apps.

The real power behind the iPhone is the unlockable features. You can unlock, hack, and crack your iPhone to add real 3rd party applications. Buyer beware, any form of modification will definitely void any warranty on the iPhone. Some users have “bricked” their iPhones by unlocking the phone for use with other carriers as well. Obviously these procedures are highly risky and should not be attempted by anyone unless their willing to blow their $400 dollars on a slim paper weight. Some of the 3rd party applications allow you to customize your iPhone with different graphics and icons. Some allow you to record voice notes and triangulate your position using wi-fi and cellular tower signals. Needless to say there are many benefits to hacking your phone.

Many customers have complained that Apple has gone too far in protecting their iPhone from the wrong hands and some iPhones have been permanently disabled due to illegal unlocking of the phone. Those who had the knowledge and sense to repair the lock were able to avoid this iPhone “brick” and remaining in wonderful gadget bliss.

Apple recently announced legal 3rd party applications in the coming months, with a development kit in February 2008. This time next year, expect to find open source applications, costly iPhone software and possible downloadable games.

The iPhone lives up to its hype, but could do more to please the masses. Those looking for a new, fun smart phone, look to iPhone in the coming months as prices drop and software becomes readily available. Only the die-hard fans should invest in the iPhone as it is now.

SIM Cards For Your iPhone

SIM Cards For Your iPhone

Here is the good news. It is easy to replace the SIM cards for you iPhone. You have to decide what purpose you want these SIM cards to perform. Some offer enhanced features to your iPhone. Many of these will work only with AT&T and cannot be unlocked. Others will actually unlock the iPhone and allow you to use it on any network, not just GSM networks like AT&T and T-Mobile.

Here is the biggest problem with unlocked phones, you cannot just get them to work on any network. The cell phone provider needs the phone information from the inside of the phone in order to set up service. Therefore, in order to use an unlocked iPhone on another network other than AT&T you will have to get a SIM from a different phone and replace the SIM in your iPhone with that SIM. It is not as easy as it first sounds. You first have to activate the first phone on whatever network and then switch that SIM into an unlocked iPhone. So far so good right? But how do you change the SIM? That is easy. Look near the headphone jack. There is a little hole. Take a paper clip, unbend it, then poke into the hole. The SIM holder, located under the home button, will open up and allow you to remove the SIM. Another problem with changing the SIM of an unlocked iPhone is they may not be the same size. So you may need to get a plastic tray that helps the SIM fit into the iPhone’s SIM tray better.

You can also get SIM cards for your iPhone that do not need to be unlocked. Some of these offer better performance and additional features. These do not have the same issues as the unlocked, but size still can be a problem. Many will come with a plastic try that works as an adapter. For these SIM cards, all you need to do is to swap out the SIM card, your phone should remain activated. If you have trouble, contact the vendor of the SIM first, then contact Apple.

Where do you buy SIM cards for your iPhone? The place with the biggest selection is eBay. As per usual, when shopping on eBay make sure you are dealing with a reputable seller. Check the seller’s ratings and feedback. Also check their PayPal ratings. Never pay by check, cash, money order, or wire transfer. Always use PayPal or your credit card. On eBay there are literally hundreds of different SIM cards to chose from. Many have very vague descriptions. In addition, many of the newer SIM for 1.1.1 and higher will require a rather extensive unlock procedure. If you see terms like iphoneSIMfree, Jailbreak, or AppTapp then you know you are dealing with a SIM that will require an unlocked iPhone in order to use it.

Overall, changing and locating SIM cards for your iPhone is not a difficult task. The problem lies with the SIM cards that can only be used in an unlocked iPhone. If you are planning on unlocking the 1.1.1 and higher firmware be prepared for a long drawn out process or be prepared to pay iphoneSIMfree for their version of an unlock. Then you have the issue of finding a way to use the unlocked iPhone on another network. The iPhone supposedly only works on a GSM network, which translates to AT&T or T-Mobile in the US. Exactly how these other SIM get the iPhone to work on a non-GSM network is something I have been unable to figure out. All in all be careful when purchasing SIM cards for your iPhone. Know what you are buying.