diff --git a/tclcheck_new.py b/tclcheck_new.py
new file mode 100644
index 0000000..e74a7bc
--- /dev/null
+++ b/tclcheck_new.py
@@ -0,0 +1,43 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+# pylint: disable=C0111,C0326
+
+import collections
+import tcllib
+from requests.exceptions import RequestException, Timeout
+
+fc = tcllib.FotaCheck()
+fc.serid = "3531510"
+fc.fv = "AAA000"
+fc.mode = fc.MODE_FULL
+
+# CLTP = 10 (only show actual updates or HTTP 206) / 2010 (always show latest version for MODE_FULL)
+#fc.cltp  = 10
+fc.cltp  = 2010
+
+print("Valid PRDs not already in database:")
+
+with open("prds.txt", "r") as afile:
+    prddict = collections.defaultdict(list)
+    prda = afile.readlines()
+    prds = [x.split(" ")[0].replace("PRD-", "").split("-") for x in prda]
+    prdx = list({x[0]: x[1]} for x in prds)
+    for prdc in prdx:
+        for key, value in prdc.items():
+            prddict[key].append(value)
+
+for center in prddict.keys():
+    tails = [int(i) for i in prddict[center]]
+    for j in range(0, 1000):
+        if j not in tails:
+            curef = "PRD-{}-{}".format(center, str(j).rjust(3, "0"))
+            try:
+                fc.reset_session()
+                fc.curef = curef
+                check_xml = fc.do_check(https=False)
+                curef, fv, tv, fw_id, fileid, fn, fsize, fhash = fc.parse_check(check_xml)
+                txt_tv = tv
+                print("{}: {} {}".format(curef, txt_tv, fhash))
+            except (SystemExit, RequestException, Timeout) as e:
+                continue
diff --git a/tcllib.py b/tcllib.py
index 114d7bf..52a4798 100644
--- a/tcllib.py
+++ b/tcllib.py
@@ -81,8 +81,9 @@ class FotaCheck:
         ]
         return random.choice(master_servers)
 
-    def do_check(self):
-        url = "https://" + self.g2master + "/check.php"
+    def do_check(self, https=True):
+        protocol = "https://" if https else "http://"
+        url = protocol + self.g2master + "/check.php"
         params = OrderedDict()
         params["id"]    = self.serid
         params["curef"] = self.curef