diff --git a/LC-Technology-WiFi-Relay.md b/LC-Technology-WiFi-Relay.md
index 03a8f2c8..be4d28c3 100644
--- a/LC-Technology-WiFi-Relay.md
+++ b/LC-Technology-WiFi-Relay.md
@@ -8,3 +8,10 @@ In order to use LC Technology WiFi Relay for 1 relay version, please
 * Enable rules (type ``rule1 1`` in the tasmota console)
 * Add the following rules typing in the console:
 ``Rule1 on System#Boot do Baudrate 9600 endon on Power1#State=1 do SerialSend5 A00101A2 endon on Power1#State=0 do SerialSend5 A00100A1 endon``
+
+
+## Beware of counterfeit modules
+If your board just [continuously flashes its led when powered on](https://www.youtube.com/watch?v=5Le9kNT_Bm4) and no esp-01 is entered, the onboard STC15F104W needs to be programmed!
+For more details see https://www.esp8266.com/viewtopic.php?f=160&t=13164&start=68#p74262
+
+Additionally once programmed, you may also have to remove r4, some issues exist where r3 and r4 are swapped, but just removing r4 works.
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