Sometimes a Cydia tweak or app prevents the working of another app. The same thing happened with Facebook version 5.2 on my jailbroken iPhone. If Facebook app is not launching on your iPhone properly, here is the solution.
AT&T is already unlocking the iPhone 4, iPhone 4S and iPhone 3GS devices officially. Unlocking is performed to free the device from any network restrictions. After the device is successfully unlocked, one can use the SIM card of any carrier around the globe.
It is a technology website where all the articles are written by Shoutpedia authors. This site is not affiliated with Apple, Google, Microsoft, Facebook or any other company. All articles, images, logos and trademarks in this site are property of their respective owners.