diff --git a/drivers/SmartThings/zigbee-switch/fingerprints.yml b/drivers/SmartThings/zigbee-switch/fingerprints.yml
index fbd5adaaf0..439bb5da28 100644
--- a/drivers/SmartThings/zigbee-switch/fingerprints.yml
+++ b/drivers/SmartThings/zigbee-switch/fingerprints.yml
@@ -2457,6 +2457,11 @@ zigbeeManufacturer:
     manufacturer: FIRSTLED
     model: M4S4BAC
     deviceProfileName: switch-light-restore-wireless
+  - id: "FIRSTLED/M3S3BAC"
+    deviceLabel: Mirror Series 3x3 1
+    manufacturer: FIRSTLED
+    model: M3S3BAC
+    deviceProfileName: switch-light-restore-wireless
   - id: "FIRSTLED/P3S3BAC"
     deviceLabel: Punk Series 3x3 1
     manufacturer: FIRSTLED
diff --git a/drivers/SmartThings/zigbee-switch/src/firstled-io/fingerprints.lua b/drivers/SmartThings/zigbee-switch/src/firstled-io/fingerprints.lua
index 5b50a09368..1b5722fa7c 100644
--- a/drivers/SmartThings/zigbee-switch/src/firstled-io/fingerprints.lua
+++ b/drivers/SmartThings/zigbee-switch/src/firstled-io/fingerprints.lua
@@ -6,6 +6,7 @@
 --The driver supports a series of device combinations, such as 4+4, 3+3, 2+2, 4+0, etc., of switch and button type products.
 return {
   { mfr = "FIRSTLED", model = "M4S4BAC", children = 4, buttons = 4, child_profile = "switch-wireless" },
+  { mfr = "FIRSTLED", model = "M3S3BAC", children = 3, buttons = 3, child_profile = "switch-wireless" },
   { mfr = "FIRSTLED", model = "P3S3BAC", children = 3, buttons = 3, child_profile = "switch-wireless" },
   { mfr = "FIRSTLED", model = "P2S2BAC", children = 2, buttons = 2, child_profile = "switch-wireless" },
   { mfr = "FIRSTLED", model = "P1S1BAC", children = 1, buttons = 1, child_profile = "switch-wireless" },
diff --git a/tools/localizations/cn.csv b/tools/localizations/cn.csv
index f23ee9fe68..6c6aac0a81 100644
--- a/tools/localizations/cn.csv
+++ b/tools/localizations/cn.csv
@@ -141,6 +141,7 @@ Aqara Wireless Mini Switch T1,Aqara 无线开关 T1
 "MultiIR Smoke Detector MIR-SM200",麦乐克烟雾报警器MIR-SM200
 "MultiIR Siren MIR-SR100",麦乐克声光报警器MIR-SR100
 "Mirror Series 4x4 1",镜系列4x4 1
+"Mirror Series 3x3 1",镜系列3x3 1
 "Punk Series 3x3 1",朋克系列3x3 1
 "Punk Series 2x2 1",朋克系列2x2 1
 "Punk Series 1x1 1",朋克系列1x1 1