Now it is time to follow TheiPhoneWiki and post iOS 7 beta 1 baseband versions like 4.14.01 0n iPhone 5 or 04.12.06 in iPhone 4. Only yesterday Apple company presented fresh iOS and released the first beta version of this new firmware. If you don't have Apple developer account but you really want to try iOS 7 here are download links which you can use for free and without UDID registration. Update: Now iOS 7 is out and you can check baseband versions on iPhone running this public edition. The 7th version of iOS is really something fresh and interesting. It ads more different features and functions. You will see amazing changes in Home Screen, Clock, Calendar, Safari, Photo and many many more. Some of new options you may like, some not but it doesn't matter because the new firmware is completely new. And if you wish to install iOS 7 beta on your iPhone you can follow detailed guide on how to perform without developer account or registered UDID. But how about the baseband and will we be able to unlock it. Let's see new BB update in iOS below:
  • iPhone 4 GSM - 04.12.06
  • iPhone 4GSM Rev-A - 04.12.06
  • iPhone 4 CDMA - 3.0.04
  • iPhone 4S - 4.3.01
  • iPhone 5 GSM - 4.14.01
  • iPhone 5 Global - 4.14.01
Update: If you stuck on one of these baseband and need to hack it, you can try it using BBTool, DLOADTool, DBLTool and iOSUSBEnum developed by p0sixninja. As you see iPhone modem firmware has  really changed in all iOS 7 supported devices. if you really wish to try the new firmware but you afraid to lose software/hardware unlock you can read about benefits of official unlock and free your iPhone from the carrier's chains to enjoy the first iOS 7 beta firmware with updated baseband.