diff --git a/example/embedded/spp_and_le_counter.c b/example/embedded/spp_and_le_counter.c
index a331491b6..a7e726e5c 100644
--- a/example/embedded/spp_and_le_counter.c
+++ b/example/embedded/spp_and_le_counter.c
@@ -198,11 +198,22 @@ static uint16_t att_read_callback(uint16_t con_handle, uint16_t att_handle, uint
 
 // write requests
 static int att_write_callback(uint16_t con_handle, uint16_t att_handle, uint16_t transaction_mode, uint16_t offset, uint8_t *buffer, uint16_t buffer_size){
-    // printf("WRITE Callback, handle %04x, mode %u, offset %u, data: ", handle, transaction_mode, offset);
-    // printf_hexdump(buffer, buffer_size);
-    if (att_handle != ATT_CHARACTERISTIC_0000FF11_0000_1000_8000_00805F9B34FB_01_CLIENT_CONFIGURATION_HANDLE) return 0;
-    le_notification_enabled = little_endian_read_16(buffer, 0) == GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_NOTIFICATION;
-    return 0;
+    // ignore cancel sent for new connections
+    if (transaction_mode == ATT_TRANSACTION_MODE_CANCEL) return 0;
+    // find characteristic for handle
+    switch (att_handle){
+        case ATT_CHARACTERISTIC_0000FF11_0000_1000_8000_00805F9B34FB_01_CLIENT_CONFIGURATION_HANDLE:
+            le_notification_enabled = little_endian_read_16(buffer, 0) == GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_NOTIFICATION;
+            return 0;
+        case ATT_CHARACTERISTIC_0000FF11_0000_1000_8000_00805F9B34FB_01_VALUE_HANDLE:
+            printf("Write on test characteristic: ");
+            printf_hexdump(buffer, buffer_size);
+            return 0;
+        default:
+            printf("WRITE Callback, handle %04x, mode %u, offset %u, data: ", con_handle, transaction_mode, offset);
+            printf_hexdump(buffer, buffer_size);
+            return 0;
+    }
 }
 
 /*
diff --git a/example/embedded/spp_and_le_counter.gatt b/example/embedded/spp_and_le_counter.gatt
index fb0e8a549..8c89da81e 100644
--- a/example/embedded/spp_and_le_counter.gatt
+++ b/example/embedded/spp_and_le_counter.gatt
@@ -6,7 +6,6 @@ CHARACTERISTIC, GATT_SERVICE_CHANGED, READ,
 
 // Counter Service
 PRIMARY_SERVICE, 0000FF10-0000-1000-8000-00805F9B34FB
-// Counter Characteristic, with read and notify
-CHARACTERISTIC,  0000FF11-0000-1000-8000-00805F9B34FB, READ | NOTIFY | DYNAMIC,
-
+// Counter Characteristic, with read, write, write_without_response and notify
+CHARACTERISTIC,  0000FF11-0000-1000-8000-00805F9B34FB, READ | NOTIFY | WRITE | WRITE_WITHOUT_RESPONSE | DYNAMIC,