This hybrid build for the 9930 is a combination of 7.1.0.402, .428, and .437. To install this build you first need to have the leaked 9930 7.1.0.402 installed on your pc. Go to here to get some more info and download link.

If you need help or refresher on loading hybrids go here and download a guide.

To confirm you installation, the “about device versions” will read 7.1.0.428 and “help me!” will read 7.1.0437.

Enjoy.