Device ID better steps

Author: chobberoni

src/content/support/troubleshooting/common-questions.md

@@ -24,7 +24,10 @@ Yup! [Here are our best practices](/guide/getting-started/hackathon) about setti
 
 Feel free to contact [hello @ particle dot io] with **subject line: *"Sponsorship Inquiry for Particle"* **for any additional information about this. Please include as many details about your event and what sort of participation you’re interested in from Particle and allow a week for response.
 
-
+## How do I get my deviceID [device ID] ?
+* Put your device into [Listening Mode](/guide/getting-started/modes/photon/#listening-mode) mode while being plugged into a computer via USB
+* Issue `particle serial identify` from the [particle CLI](https://github.com/spark/particle-cli)
+	and it should return the deviceID.
 
 {{#if core}}
 ## Troubleshoot LED Color on the Core

src/content/support/troubleshooting/troubleshooting-tools.md

@@ -67,6 +67,12 @@ Your device MAC address is
 
 Note that this does not work on unboxed photons unless they have firmware updated manually (e.g. via `particle update`)
 
+### Get Device ID [deviceID] CLI method
+_Using the Particle CLI_
+* Put your device into [Listening Mode](/guide/getting-started/modes/photon/#listening-mode) mode while being plugged into a computer via USB
+* Issue `particle serial identify` from the [particle CLI](https://github.com/spark/particle-cli)
+	and it should return the deviceID.
+
 ### Get Device ID
 
 To display the device ID of your Core or Photon, type `i`