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As mention earlier there are lots of reasons you would unlock your iPhone 4. The most common reason is to use this awesome phone on networks other than At&t or Verizon (or whatever network provides your iPhone 4 if you aren't in the USA). Besides using your iPhone 4 with other networks (this is commonly referred to as "unlocking" with other phones), you might want to install apps, tweaks, or themes that Apple hasn't approved for one reason or another.

Apple just permits consumers in order to acquire applications through the official Iphone app Store. Thus, a underground market, full of any possible app or tweak has flourished. And unlocking allows you access to it. Nevertheless, there are potentially much more third-party, unauthorised applications on the market when compared with you can find from the App Retailer. 


1. Use other networks than the phone was manufactured for 

Wherever you are in the world, Apple has negotiated contracts to make the iPhone 4 exclusive. It has done this to keep the price high, secure control over use, and maintain an air of exclusivity and superiority for iPhone 4 users. This is quite contrary to most other smart phones, which compete pretty openly against other smart phones and networks. Contrary to many people's beliefs, iPhone 4 is actually the third most used smart phone, behind number one Android, and number two Blackberry. unlocking and unlocking allows iPhone 4 owners to choose their network, which they might do based on price or network coverage wherever they are.

2. Install non-Apple-approved apps

Behind using a different network, this is the most common reason people unlock their iPhone 4s. Some of the apps available include apps that compete with Apple's own (like Podcaster) to sick games (like Baby Shaker). Another very popular app is SlingPlayer which allows you to stream TV from your SlingBox.

3. Install tweaks, screensavers, ringtones, and wallpapers 

unlocking your iPhone 4 opens up a wealth of interesting tweaks to nearly every aspect of your iPhone 4. Some of the things you can change are the menu, icons, screen saver, wallpaper, and function of the buttons. One very popular tweak allows you to use your iPhone 4's internet connection to tether other computers onto the web.