Many Gevey Sim users have issues with the caller id function of their iphone 4 . The Name of the Caller is not being Displayed when they receive an incoming call in spite of the phone number being in the contact list .
The popular Gevey SIM Unlock solution for iPhone 4 has been blocked by Apple in iOS 5 beta 2. Gevey SIM works fine on iOS 5 beta 1, but MuscleNerd of the Dev-Team has confirmed that Apple has patched the exploit used by Gevey SIM to unlock iPhone 4.
Well, Today Gevey SIM card has just released Ultra SIM which will unlock iPhone 4 without dialing maunally 112, yeah that’s great This method of unlocking was detailed by Laforet in a recent blog post. Depending on your location, calling 112, even for a split second, could be illegal.
Many of you might have unlocked your iPhone 4 with Gevey SIM, but if you are still having issues in using Gevey SIM, the site has posted an official video on how to use Gevey SIM to unlock iPhone 4 on iOS 4.0, 4.1, 4.2, 4.2.1, 4.3 with baseband 1.59.00, 2.10.04, 3.10.01 or 04.10.01 without even jailbreaking your iPhone.