1. An end-user communication device comprising: memory configured to store a universal microcode image, an index table, and a configuration loading program; and a processor configured to execute the configuration loading program; wherein the universal microcode image comprises executable code sections and configuration information sections; wherein the index table comprises information that associates each of a number of possible permutations of device configuration parameters with a combination of executable code sections and configuration information sections of the universal microcode image; and wherein the processor is further configured to load the combination of executable code sections and configuration information sections into a boot program for booting up the end-user communication device.