Use APKPure App
Get Avant Exploded old version APK for Android
This works for T-Mobile, Metro PCS Galaxy Avant,and the Galaxy Core Lite.
Requires root and busybox installed on your phone!
If you are using CM11 disable the CM superuser and install chainfire's SuperSU.
This app downloads,and installs TeamWin,ClockWorkMod,and Stock Recovery without flashing a zip or using Odin.