get_lenovo_custom1("1453430707") == "OK" || abort("Can't install this package (Fri Jan 22 10:45:07 CST 2016) over newer build (" + getprop("ro.build.data") + "). Or lenovo can't allow to rollback.");
getprop("ro.product.model") == "Lenovo K50-t5" || abort("This package is for \"Lenovo K50-t5\" devices; this is a \"" + getprop("ro.product.model") + "\".");