When Apple flipped the switch to push out iOS 5.1, it wasn’t exactly a mind-blowing update, bringing only minimal changes for users. One of those little updates was one that was only available to AT&T users with an iPhone 4S and came in the form of a ‘4G’ indicator in the status bar that replaced the 3G symbol.

There has been a lot of talk about 4G connectivity recently, but with the iPhone 4S using HSPA+, the 4G indicator is relevant as the International Telecommunications Union (ITU) recognizes it as true 4G. The AT&T network is currently the only one in the United States that is actually allowed to use the 4G symbol due to licensing agreements, but it still managed to confuse a lot of users when the indicator started appearing after the iOS 5.1 update.

The bottom line is that the display of 4G rather than 3G is nothing more than a visual replacement. The updated symbol doesn’t offer any additional speed increases to users, with iOS 5.1 doing nothing more than changing the indicator for AT&T users. If you are one of the ones who find themselves in dire need of benefitting from this update, but aren’t an AT&T subscriber, then you can now download the ‘4G for iPhone’ theme from the Cydia store.

The 4G for iPhone package is a WinterBoard theme, meaning that Saurik’s theming platform is needed to be installed to use this. Once it has been activated and the device has been respringed, the status bar will display the 4G indicator whenever the device has UMTS data connectivity.

“4G for iPhone” is available from the ModMyi repository as a free of charge download.

Of course, you will need to jailbreak your device to install this tweak. For jailbreaking the latest iOS 5.1 (tethered), follow the instructions posted here to jailbreak using Redsn0w, or here for Sn0wbreeze. For jailbreaking iPhone 4S and iPad 2, you can simply follow our step by step tutorial posted here to jailbreak iOS 5.0.1 using Absinthe on Windows or Mac. Those of you with an iPhone 4, 3GS, iPad 1, and iPod touches can use Redsn0w or Sn0wbreeze to untether jailbreak on iOS 5.0.1.

Be sure to check out our iPhone Apps Gallery and iPad Apps Gallery to explore more apps for your iPhone, iPad and iPod touch.

(via ModMyi)

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