diff --git a/CHANGELOG.md b/CHANGELOG.md
index b198c8e..bc59d10 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@ All notable changes to this project will be documented in this file.
 This project uses the changelog in accordance with [keepchangelog](http://keepachangelog.com/). Please use this to write notable changes, which is not the same as git commit log...
 
 ## [unreleased][unreleased]
+ - Hardware upgrade: Restarting the Ultra now only requires running each of the three RGB colors once, resolving previous firmware modification issues
  - Added commands to dump and clone Mifare tags
  - Fix bad missing tools warning (@suut)
  - Fix for FAST_READ command for nfc - mf0 tags
diff --git a/README.md b/README.md
index c185200..757c021 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,10 @@ Guangdong, China: [MTools Tec](https://shop.mtoolstec.com/)
 
 Lazada One, Singapore: [Aliexpress by RRG](https://proxgrind.aliexpress.com/store/1101312023)
 
+# Hardware Upgrade Notice
+
+**Important:** The Chameleon Ultra hardware has been upgraded! Restarting the device now only requires running each of the three RGB colors once (equivalent to a restart). This resolves previous issues where firmware modifications could cause the device to malfunction.
+
 # What is it and how to use ?
 
 Read the [available documentation](https://github.com/RfidResearchGroup/ChameleonUltra/wiki).