Welcome to the iOS 7 World. What do you like about life with new iOS 7 from Apple Inc.? What do you miss about your old iOS 6? iOS 6 Jailbreak? Cydia iOS 7 Tweaks? I miss my cool Cydia Tweaks (aka BiteSMS or ProTube), but I'm happy. I like new design and usability. It's for me. Cool. I think Cydia will be come to iOS 7, but not now. New iOS 7 is very friendly. If you want install new iOS 7 without UDID or Developer account, this post for you...
iOS 7 Beta DOwnload, Install Without Developer Account
Step 1: Download iOS 6.1.4 for iPhone 5 and iOS 6.1.4 iPhone 4S, 4,iPod 5G, iPad and Firmware/Software Download
Step 2: Download iOS 7 Beta for your iDevice
Step 3: Connected iPhone via USB and open up iTunes on restore hit the shift and left mouse click buttons down together this will allow you to manually search for the iOS you downloaded for iPhone 5 you would select iOS 6.1.4 for all other devices you would select iOS 6.1.3
Step 4: Once the device has restored make sure to setup as new and that you get to the home screen.
Step 5: Now on the Check for updates button hit shift and left mouse click down together this time you need to select iOS 7 for your device now when the device finishes updating it will be on iOS 7 activated.