diff --git a/configs/usr/share/wb-configs/udev/99-wb-uart.rules.wb85x b/configs/usr/share/wb-configs/udev/99-wb-uart.rules.wb85x
new file mode 100644
index 0000000..8e6ad03
--- /dev/null
+++ b/configs/usr/share/wb-configs/udev/99-wb-uart.rules.wb85x
@@ -0,0 +1,6 @@
+KERNEL=="ttyS0", SUBSYSTEM=="tty", SYMLINK+="ttyCONSOLE", GROUP="tty"
+KERNEL=="ttyS1", SUBSYSTEM=="tty", SYMLINK+="ttyRS485-2", GROUP="dialout"
+KERNEL=="ttyS2", SUBSYSTEM=="tty", SYMLINK+="ttyRS485-1", GROUP="dialout"
+
+KERNEL=="ttyS4", SUBSYSTEM=="tty", SYMLINK+="ttyMOD3", GROUP="dialout"
+KERNEL=="ttyS5", SUBSYSTEM=="tty", SYMLINK+="ttyMOD4", GROUP="dialout"
diff --git a/debian/changelog b/debian/changelog
index 3af2eaa..700bea2 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+wb-configs (3.28.0) stable; urgency=medium
+
+  * add wb-uart udev rules for wb85x
+
+ -- Vladimir Romanov <v.romanov@wirenboard.com>  Wed, 07 Aug 2024 12:02:01 +0300
+
 wb-configs (3.27.1) stable; urgency=medium
 
   * nginx: check for broken symlinks in /etc/nginx/sites-enabled
diff --git a/debian/wb-configs.postinst b/debian/wb-configs.postinst
index 6e4285a..3912166 100644
--- a/debian/wb-configs.postinst
+++ b/debian/wb-configs.postinst
@@ -100,7 +100,10 @@ install_rules() {
 	ucf --debconf-ok "$RULES_DIR/$1.rules.$2" "$RULES_DST_DIR/$1.rules"
 }
 
-if of_machine_match "wirenboard,wirenboard-84x"; then
+if of_machine_match "wirenboard,wirenboard-85x"; then
+    install_rules 99-wb-uart wb85x
+    install_rules 99-wb-ethernet wb8xx
+elif of_machine_match "wirenboard,wirenboard-84x"; then
     install_rules 99-wb-uart wb84x
     install_rules 99-wb-ethernet wb8xx
 elif of_machine_match "wirenboard,wirenboard-720"; then