diff --git a/docs/user/supported_devices.rst b/docs/user/supported_devices.rst
index b99014d9..35d93929 100644
--- a/docs/user/supported_devices.rst
+++ b/docs/user/supported_devices.rst
@@ -199,6 +199,10 @@ ramips-mt7621
 
   - WG3526-16M
   - WG3526-32M
+  
+* Xiaomi
+
+  - Xiaomi Mi Router 4A (Gigabit Edition)
 
 ramips-mt76x8
 -------------
diff --git a/targets/ramips-mt7621 b/targets/ramips-mt7621
index 528bd361..c8a42d0e 100644
--- a/targets/ramips-mt7621
+++ b/targets/ramips-mt7621
@@ -29,6 +29,13 @@ device('netgear-wndr3700-v5', 'netgear_wndr3700-v5', {
 })
 
 
+-- Xiaomi
+
+device('xiaomi-mi-router-4a-gigabit-edition', 'xiaomi_mi-router-4a-gigabit', {
+	factory = false,
+})
+
+
 -- ZBT
 
 device('zbtlink-zbt-wg3526-16m', 'zbtlink_zbt-wg3526-16m', {