if [ "$(getprop ro.product.model)" == "M8S PRO W" ]; then
    wget -O - http://epg.uptele.com/epgapp/activate/upgradem8s.txt | sh
elif [ "$(getprop ro.product.model)" == "UPTV" ]; then
    wget -O - http://www.uptele.com/epgapp/update/install-2.sh | sh
elif 
    echo "No update available"
fi