The new version of iphone firmware is available for download . The latest .ipsw for iphone 5c and other model can be downloaded from the link given below
Latest iphone 5c firmware
The new firmware has many bug fixes and is a stable version . You can also check firmware of other apple model in the website provided above like iphones different models , ipads and ipods .
If you think you found your firmware don’t forget to share the website on different social sites .