This post is how I fixed my 4G LTE signal intermittent dropping and broken/non-existent 3G connection on my Sprint Galaxy S4 phone while running CyanogenMod. Background I’ve been running CyanogenMod stable on my Sprint Galaxy S4 (jfltespr) since the day I got it. The version I stuck with was 10.1 (Android 4.2.2) because it had…