diff --git a/2.9″-Chroma-29.md b/2.9″-Chroma-29.md
index fcb90d5..aef9b6c 100644
--- a/2.9″-Chroma-29.md
+++ b/2.9″-Chroma-29.md
@@ -10,7 +10,9 @@
 
 ![chroma29_splash](https://github.com/jjwbruijn/OpenEPaperLink/assets/4642629/a66ee296-6773-4a1c-9dec-8f5ea0cc7f6f)
 
-The firmware images are available [here](https://github.com/OpenEPaperLink/OpenEPaperLink/tree/master/binaries/Tag).
+The firmware images are available [here](https://github.com/OpenEPaperLink/OpenEPaperLink/tree/master/binaries/Tag),
+
+For Chroma 29s with serial numbers ending in "B" try the chroma29_full_xxxx image, for tags with serial numbers ending in "C" try the chroma29_8151_full_xxxx image.
 
 It is possible that the firmware will work with versions not listed in the chart below, if you test the beta on another board issue **please report your finding** if it works or not.