Due to the closed source radios associated with CDMA devices, the Nexus S 4G was pulled from being officially supported by the AOSP and now it will be fully supported thanks to a new deal. Google and Sprint have come to an agreement that allows the device to return to its pure Google roots. WiMAX support will be coming along for the ride as well. Check out the official word from the head of AOSP development, JBQ
We’ve been able to resolve the issues around Nexus S 4G, and we can
now properly distribute its CDMA and WiMAX binaries. That allows Nexus
S 4G to work with AOSP just as well as Nexus S.
As a result, we now consider Nexus S 4G to be fully supported in AOSP,
with no restrictions. Overall, Nexus S is the preferred platform for
I’ve updated the set of IMM76L binaries for Nexus S 4G to include
WiMAX support. They’re available at their usual location:
Jean-Baptiste M. “JBQ” Queru
Technical Lead, Android Open Source Project, Google.