diff --git a/Flashing-SiLabs-based-M3-Newton-Displays.md b/Flashing-SiLabs-based-M3-Newton-Displays.md
index de734c3..05e1faa 100644
--- a/Flashing-SiLabs-based-M3-Newton-Displays.md
+++ b/Flashing-SiLabs-based-M3-Newton-Displays.md
@@ -57,8 +57,8 @@ Pinout connections for Silicon Labs debugger, see sections [2.3.2/2.3.3 in the u
 |SWDIO | SWDIO|
 |SWDCLK | SWCLK|
 |nRESET | RST|
-|P0.25 | VCOM_RX |debug output (optional)|
-|P0.27 | VCOM_TX | not use currently |
+|P0.25 | VCOM_RX |serial debug output (optional)|
+|P0.26 | VCOM_TX | serial input (not used currently) |
 
 <img width="491" height="465" alt="image" src="https://github.com/user-attachments/assets/cb5980b4-f73d-4b21-9799-43aeeeff8c08" />
 
@@ -88,5 +88,22 @@ Unlocking is best done using Simplicity Commander (works with any J-Link based p
 Use 'unlock debug access' in the 'flash' tab in the GUI, or issue the command
 `commander device unlock`.
 
+## Universal M2/M3 Pad Layout for ZBS/nRF/EFR32  
+
+| ZBS2 | nRF | EFR32 |  Note |
+| :- | :- | :- | :- |
+|GND | GND| GND ||
+| Reset | Reset | Reset |
+| Rxd | Rxd | P0.26 / VCOM_TX |serial input (not used currently)|
+| Test | - | P0.27  ||
+|Clk | SWDCLK | SWDCLK | |
+|MISO | SWDIO | SWDIO|
+|VCC  | VCC| VCC |
+| MOSI | - | No Pad |
+| CS | - | P0.22 ||
+| Txd | Txd | P0.25 / VCOM_RX | serial debug output |
+
+
+