Decompile and Recompile Custom Android MMS APK

In need of minor changes to a custom MMS APK for a US CDMA network. We need you to decompile the APK, and change several parameters including UAPROF, Phone number headers, etc, and then recompile and rename this APK. We can provide the exact parameters and settings needed for MMS to receive and send properly on our network. The APK needs to be stable on Android 2.2 and above.