diff --git a/Sonoff-S26-Smart-Socket.md b/Sonoff-S26-Smart-Socket.md
index bc272c8b..0646d667 100644
--- a/Sonoff-S26-Smart-Socket.md
+++ b/Sonoff-S26-Smart-Socket.md
@@ -22,6 +22,15 @@ J1 - 3V3
 J2 - GND  
 ![](https://user-images.githubusercontent.com/1029851/45257726-a2ab2880-b3a2-11e8-9cb8-5cc1d49225b2.png)
 
+## Bringing the Module into Flash Mode
+
+1. Disconnect serial programmer and power
+2. Press and hold the on-board button - Note: The Button on the main board is not very sensitive and must be pressed firmly.
+3. Connect the serial programmer (VCC, RX, TX, GND)
+4. Release the on-board button
+
+The blue LED should NOT be blinking when in Flash mode.
+
 ## More information
 
 See issue [#2808](https://github.com/arendst/Sonoff-Tasmota/issues/2808) for user information
\ No newline at end of file