rda 8851a功能机 新功能补丁，增加电话本固定电话号码功能，如定制机的800号码。new是改动后的，old是默认代码，可以参考一下-a 8851a functional machine patch new features to increase the number of fixed telephone phone book features, such as custom machine 800 number . new post is altered , old is the def