Following the upgrade to Android 4.4 KitKat, LG has updated the user manual for the Sprint LG G2(LG-LS980).
You can download the updated Sprint LG G2 (LS980) User manual / Guide from below link:
The updated User manual [Android kitkat 4.2 Version] for Sprint LG G2 (LG-LS980) adds some new tips & tricks, instructions and guides on new feautures that comes with Android 4.4 kitkat. If you have upgrade your LG G2 to Android 4.4.2, This manual will will help you better understand the new Android 4.4.2 OS.
Wish this help!