diff --git a/app/src/main/java/com/bitchat/android/mesh/BluetoothGattClientManager.kt b/app/src/main/java/com/bitchat/android/mesh/BluetoothGattClientManager.kt
index 71057a3d..f7821cfd 100644
--- a/app/src/main/java/com/bitchat/android/mesh/BluetoothGattClientManager.kt
+++ b/app/src/main/java/com/bitchat/android/mesh/BluetoothGattClientManager.kt
@@ -30,7 +30,7 @@ class BluetoothGattClientManager(
     companion object {
         private const val TAG = "BluetoothGattClientManager"
         // Use exact same UUIDs as iOS version
-        private val SERVICE_UUID = UUID.fromString("F47B5E2D-4A9E-4C5A-9B3F-8E1D2C3A4B5C")
+        private val SERVICE_UUID = UUID.fromString("F47B5E2D-4A9E-4C5A-9B3F-8E1D2C3A4B5B")
         private val CHARACTERISTIC_UUID = UUID.fromString("A1B2C3D4-E5F6-4A5B-8C9D-0E1F2A3B4C5D")
         private val DESCRIPTOR_UUID = UUID.fromString("00002902-0000-1000-8000-00805f9b34fb")
         
diff --git a/app/src/main/java/com/bitchat/android/mesh/BluetoothGattServerManager.kt b/app/src/main/java/com/bitchat/android/mesh/BluetoothGattServerManager.kt
index 37c9ebfd..093903fa 100644
--- a/app/src/main/java/com/bitchat/android/mesh/BluetoothGattServerManager.kt
+++ b/app/src/main/java/com/bitchat/android/mesh/BluetoothGattServerManager.kt
@@ -29,7 +29,7 @@ class BluetoothGattServerManager(
     companion object {
         private const val TAG = "BluetoothGattServerManager"
         // Use exact same UUIDs as iOS version
-        private val SERVICE_UUID = UUID.fromString("F47B5E2D-4A9E-4C5A-9B3F-8E1D2C3A4B5C")
+        private val SERVICE_UUID = UUID.fromString("F47B5E2D-4A9E-4C5A-9B3F-8E1D2C3A4B5B")
         private val CHARACTERISTIC_UUID = UUID.fromString("A1B2C3D4-E5F6-4A5B-8C9D-0E1F2A3B4C5D")
         private val DESCRIPTOR_UUID = UUID.fromString("00002902-0000-1000-8000-00805f9b34fb")
     }