With the official release of iOS 7 many of people are wondering how to move to iOS 7 official release specially those who are not actual iOS developers . Unfortunately people who are on beta are not allowed to simply upgrade to iOS7 official release so they have to follow below procedure.
1. Download the iOS 7 official release. ipsw. from your developer account as shown in left panel .People who are not developers they need to get copies of ios7 official release by any other sources.

2. Plug your iPhone/iPad into a computer and open iTunes.

3. Take a complete backup of device.

4. In iTunes click on the iPhone option in the upper right and when you see the Restore and Upgrade options you are on the right screen.(See snap on left )

5. Click check for updates holding shift key on windows or  alt and option key together in case of mac.

6. Navigate to the downloaded .ipsw file and click.select it.

7. Complete the  iOS 7 upgrade  

8. After completion of restore you will be on official iOS7

Good news for news for enterprise mobility developers especially those who are looking to mobilize SAP ERP .Now you can try SUP 2.2 without hassle. All you need to do is to create a free account on SAP Community Network to utilize this service and then signup for trial by clicking on below link.
 http://scn.sap.com/community/developer-center/mobility-platform

Note :Its  30 days free trial of SUP with SAP backend ECC 6.0.