(!less_than_int(1522218818, getprop("ro.build.date.utc"))) || abort("E3003: Can't install this package (Wed Mar 28 14:33:38 HKT 2018) over newer build (" + getprop("ro.build.date") + ").");
getprop("ro.product.device") == "QK1707" || abort("E3004: This package is for \"QK1707\" devices; this is a \"" + getprop("ro.product.device") + "\".");